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2 years ago

If you have 3 cups of pineapple juice how many cups of punch can you make?

Mathematics

1 answer:

nekit [7.7K]2 years ago

5 0

Answer:

Step-by-step explanation:

0.2x = 3

x = 3/0.2

x = 15 cups of punch

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Grapes cost $3.25 per pound. Darius paid a total of $26 for grapes.

Dmitry [639]

Answer:He buys 8 pounds

Step-by-step explanation:

You can either just add up the $3.25 until you get to the end-price, but that wont always work for every problem. The best way is to divide the 26 with the 3.25 in a written devision.

4 0

2 years ago

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Convert the mixed number to an improper fraction. 6 7/8

zepelin [54]

6 * 8 + 7 = 48 + 7 = 55

55/8

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2 years ago

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Beth has 120 pens in her pencil case , she give 20% to Federica. How many does she give her ?

True [87]

Answer:

Step-by-step explanation:

you can just search it 20% of 120

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2 years ago

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A ladder is leaning against a wall. The top of the ladder is 9 feet (ft) above the ground. If the bottom of the ladder is moved

Komok [63]

Step 1

First situation

when a ladder is leaning against a wall

Let

x-------> the distance of the bottom of the ladder from the wall

L-------> the length of the ladder

Find the length of the ladder

Applying the Pythagorean Theorem

$L^{2} =x^{2}+ 9^{2}$ ------> equation $1$

Step 2

Second situation

when the ladder will be lying flat on the ground

Find the length of the ladder

In this situation the length of the ladder is equal to

$L=x+3$

square both sides

$L^{2}=(x+3)^{2}$ ------> equation $2$

Step 3

equate equation $1$ and equation $2$

$x^{2}+ 9^{2}=(x+3)^{2}\\x^{2}+81=x^{2} +6x+9\\ 6x=81-9\\6x=72\\x=12\ ft$

therefore

the answer is

the length of the ladder is $12\ ft$

see the attached figure to better understand the problem

5 0

3 years ago

You and your friend collect football cards. You tell your friend that you have 3 times the number of cards he has. Your friend r

fiasKO [112]

Easy I guess ..
I ll try to help ..
Here we go ..
The cards you have is N
The cards he has is n
you have 3 times the number of cards he has
This means N=3n
 you only have 80 more football cards then he does
This means N=n+80
But we already know that N=3n
So 3n=n+80
which is 2n=80
n=40
So your friend has only 40 cards and you have 3*40= 120 cards

Best luck

Wise

4 0

3 years ago