Mathematics Middle School

21 POINTS!
Jeff had $20. He spent 3/8 of his money on lunch. How much money does jeff have left?

Answers

Answer 1

Answer:

$12.50

Step-by-step explanation:

3/8 x 20/1 = 7.5

20 - 7.5 = 12.50

Answer 2

Jeff has $12.50 left after spending 3/8 of his money on lunch.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given that Jeff had $20.

Jeff spent 3/8 of his money on lunch.

To find the money he left after spending on lunch we get by subtracting three by eight from one.

1 - 3/8

=8-3/8

= 5/8 of his money left.

To find out how much money Jeff has left, we can multiply the remaining fraction by his initial amount of money:

Intitial amount is 20

The money left is 5/8.

Multiply five by eight with twenty.

Money left = (5/8) × $20

Five divided by eight times of twenty.

=100/8

When hundred is divided by eight we get twelve point five.

= $12.50

Therefore, Jeff has $12.50 left after spending 3/8 of his money on lunch.

To learn more on Equation:

https://brainly.com/question/10413253

#SPJ2

Related Questions

Eric jarred 12 liters of jam after 3 days. How many days does Eric need to spend making jam if he wants to jar 16 liters of jam in all? Solve using unit rates.

Answers

Answer:

The answer is 4 Days

Step-by-step explanation:

12/3=4

√16 = 4

Answer:

It will take 4 days to make 16 liters of jam.

Step-by-step explanation:

[tex]12liters / 3 days\\4 liters / 1 day\\16liters / 4 liters = 4 days[/tex]

help??????? i’m no good at math

Answers

Answer:

-2(3/2x+5)>5(2x-2)+3x

The second option

Step-by-step explanation:

If you distribute the right side:

5(2x-2)+3x

10x-10+3x

You can combine 10x and 3x because they contain the same variable.

!!help quick!!
what is the area of this triangle??

Answers

90 degrees probably because it is more to the side of diagnostic
Decide is the angle is a cute, Obtuse, right angle, or perpendicular then write the angel.

What is 5/7 = x/3 proportion?

Answers

i think it’s 21/5 !!!!

Answer:

4.2

Step-by-step explanation:

I need someones help pls

Answers

Answer:

300

explanation

50+40=90

270÷90=3

10×3=30

total of student:270+30=300

The answer is 300 :)
Explanation is said by the other user.

8th grade math!! need to get a good grade!

Answers

Answer:

Bonnie :

(0,12),(1,16)

Slope = (16 - 12) / (1 - 0) = 4/1 = 4

So Bonnie is adding $ 4 every week to her savings

Bobby :

y = 12x + 4

The slope here is 12.....so he is adding $ 12 every week to his savings

Therefore, the rate at which Bobbie is adding to his savings each week is (12 - 4) = $ 8 more then the rate at which Bonnie is adding to her savings account each week

Please help answer this like really

Answers

the problem is you can’t simplify 3/7

muust help in cristes

Answers

The rules for the signs of quotients are the same as the rules for the signs of products.
the quotient of two positive fractions is positive

Referring to the figure, find the surface area
of the pyramid shown. Round to the nearest whole number.

Answers

Answer:

297 is the surface area

Step-by-step explanation:

Ok this problem is very simple.

First lets define some equations.

Area of a triangle: A = 1/2BH

A = Area   B = Base   H = Height

This equation works for right triangles only.

(because 2 right triangles make a square which is why it's multiplied by 1/2 because it's half a square).

Area of a square: A = BH

Surface area equals all the areas of each side added together.

First lets find the area of one of the triangles.

We know 11 is the base and 8 is the height but the triangle isn't a right triangle.

To make it a right triangle divide the base by 2 so 11/2.

You will get 5.5.

Now find the area!

A = 1/2BH

A = 1/2(5.5)(8)

A = 1/2(44)

A = 22

So now we found the area of the right side as a right triangle but you must multiply it by 2 to get the entire side (because we divided the base by 2).

22(2)=A

44=A

44 is the area of one side of the pyramid but there are 3 other sides (not including the base).

So just do:

44+44+44+44 = A

176 = A

Surface area for the triangles is 176!

Now we must find the area of the square.

A = BH

A = 11(11)

A = 121

Total surface area is all the areas added together so it's:

121+176=A

297

I REALLY NEED HELP ASAP.

Answers

Answer:

The order in least to greatest is:

D

C

A

B

Step-by-step explanation:

If you divide the cost by the number of ounces, you find the cost per ounce.

Answer:

Coffee D, Coffee C, Coffee A, Coffee B

Step-by-step explanation:

We need to find the cents per ounce ratio

Coffee A: 3.67/11 = 0.33363636363 (0.33)

Coffee B: 11.64/20 = 0.582 (0.59)

Coffee C: 6.28/24 = 0.26166666666 (0.26)

Coffee D: 6.92/30 = 0.23066666666 (0.23)

Then put them in order

At a small airport, 3 out of 27 suitcases ar misplaced each day. If 810 suitcases are processed, how many suitcases would you expect to be misplaced?

Answers

Answer:

90 suitcases would be expected to be misplaced

Step-by-step explanation:

Given 3/27

810 / 27 = 30

30 x 3 = 90

Answer:

90

Step-by-step explanation:

cuz 3/26=1/9

so, 1/9 of 810 is 90.

Identify the slope of the line: y = -3x + 6

Answers

Answer: The slope is -3 and the y-intercept is 6

Step-by-step explanation:

h e l p !!!!!! D;






will give brainlies t

Answers

Answer:

26.778

Step-by-step explanation:

Answer:21,000

Step-by-step explanation:

I dont understand this so can someone drop me the solution as well? thx

Answers

It’s the first one because if 5=3.75 and 10=7.5 and 12=9 they go up the same amount each time where as the second one goes 3=.4 and 4=1.2 and 10=6 the second one just doesn’t make sense so it would be the the one on the left :) hopefully that makes sense

The rabbit population in a certain area is 500% of last​ year's population. There are 1,300 rabbits this year. How many were there last​ year?

Answers

There were 260 rabbits last year.

We know that last year was the original population as 100%. The population is now 5 times higher, as 100% x 5 is 500%.

To find the original rabbit population, we would then divide this years population of 1300 by 5, to get 1/5 aka 100% of the population. This number is 260

500/100=5
1300/5=260
260 rabbits hope this helps

Shilo is trying to compute the value of 27 + 55 + 13. She adds 27 + 13 to get 40, and then adds on 55.

Which of the following properties is Shilo using?

A.commutative
B.distributive
C.identity
D.associative

Answers

Answer: the answer is D

Step-by-step explanation:

easy question on this picture to earn a little bit of points

Answers

Answer:

That is how you become a human ;) LOL

Step-by-step explanation:

Be born, grow up, and die

i need help on both of them now !!!!!!!

Answers

Answer:

4/5= 12/15 he had 3/15ths left meaning he painted 2/15th there's 1/15 left

The median is 1/5

4/5=12/15 he had 3/15 left. he painted 2/15 there’s 1/15 left

PLEASE HELP!!!!!!!!

Dividing performed on both sides of the equal sign, it is called:
A.) Division Property of Equality
B.) Timesing Property of Equalness
C.) Addition Property of Equality
D.) The answer is NOT here.

Answers

D the answer is not here
The answer is A.) division property of equality

classify the equation 6(x + 2) = 5(x + 7) as having one solution, no solution, or infinitely many solutions

Answers

Answer:

Step-by-step explanation:

The equation has one solution.

6(x+2)=5(x+7)

6x+12=5x+35

6x+12-5x=35

6x-5x=35-12

x=23

Therefore, the equation has ONE solution.

there is only one solution to the equation. it is x=23

2x3-(4x11)x7

i am giving 100

Answers

2*3-(4*11)*7
=6-(44)*7
=6-44*7
=6-308
=-302

Answer: -302.

I hope this helps!

Step-by-step explanation:

2x3-(4x11)x7= 6-(44)x7= 6-44x7= 6-308 = -302.

Referring to the Fig. in Question #26, approximate from the graph
the car's distance after it has traveled for 5 seconds.

Answers

its between 300 and 350

Can someone pls help and also show me how to show work plsss

Answers

Answer:

25%

I hope this helps you...

Answer:

25%

Step-by-step explanation:

10: 40*100 =

(10*100): 40 =

1000: 40 = 25

(you can message if more questions)

Item 5
Multiply.

(−3.2)⋅1.7


−5.44

−1.5

1.5

5.44

Answers

Answer:

-5.44 is the answer. You multiply the figures

The answer is D -5.44

Please need help! 10 points!!

Answers

Answer:

I cant see that.

Step-by-step explanation:

c&d are the correct answers

I need help with Part A and B

Answers

Answer:

Part A) 700 Snack Bags

Part B) [$]1225.00

Step-by-step explanation:

Pretzels and cheese puffs make up 30% (0.30) of the sales which means 210 is 30% of the total bags they sold. You could set up a ratio like this where 1 represents 100%:

210/.30 = x/1

If solved out, you find there are 700 bags total and you can check it by finding that 210 is 30% of 700.

Part a)700
Part b)1225$

Write an expression to represent the situation and answer the question. Shana took a test with 50 questions. She lost 2 points for each of the 5 quedtions she got wrong. She got 3 extra credit questions correct and recived 5 points for each. What is the total number of points she gained or lost overall

Answers

If I’m right it’s 15 points she gained and 10 points she lost if you combine them it’s 25 points
50 - (5•2)+(5•3)=
50 - (10) + (15) =
40 + 15 =
55 points total
She lost 10 points then turned around and gained 15

A local farmer started the year with
56 farm animals. At the end of the year, the farmer had 63 farm animals. What was the percent of change? (Show work)

Answers

Answer:

15 percent

Step-by-step explanation:

because i just guessed

The answer is about 11.1%

Use mental math to find the sum.
432 + 250

Answers

Answer:

682

Step-by-step explanation:

400+200=600

and 50+32=82

and 600+82=682

Hope this helps!

Can anyone write me a definition of what Proportional Relationships are? (Must be exactly 5 words or less !! :D)

Answers

Two variables with equivalent ratios

two variable with equivalent ratios
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