2 years ago

A copy machine makes 24 copies per minute. How many copies does it make in 5 minutes and 15 seconds?

Mathematics

1 answer:

liubo4ka [24]2 years ago

8 0

Answer: it makes 126 copies

Explanation:

15/60=6/24

5x24=120

6+120= 126

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Answer:

Step-by-step explanation:

Let the number be "x"

We translate the word equation to algebraic equation.

First,

subtract 6 from me, so we have:

x - 6

Now,

Multiply by 2, so we have:

2(x-6)

Now,

Subtract 40, then divide by 4:

$\frac{2(x-6)-40}{4}$

Now, you get "8", so equate this to 8, we get:

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We now solve using algebra:

$\frac{2(x-6)-40}{4}=8\\2(x-6)-40=4*8\\2(x-6)-40=32\\2x-12-40=32\\2x-52=32\\2x=32+52\\2x=84\\x=42$

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Alex787 [66]

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Step-by-step explanation:

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