3 years ago

A copy machine makes 253 copies in 5 minutes and 45 seconds. How many copies does it make per minute?

Mathematics

1 answer:

Tomtit [17]3 years ago

6 0

Answer:

Step-by-step explanation:

it makes 253 copies in 5 mins 45 seconds

that is to say, 253 copies in 345 seconds

In 1 minute (60 seconds) it will make X copies.

Lets draft an equation to easily express and simplify the problem.

253 copies = 345 seconds

X copies = 60 seconds

lets cross multiply and solve for X

Theefore:

x * 345 = 254 * 60

345x = 15,240

divide through by 345

x = 15240 / 345

x = 44.17

therefore, the copying machine makes approximately 44 copies per minutes

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