Question

A printing machine prints 70 pages in 8 minutes how many pages could it print in one hour

Answer 1

525 pages in 1 hour

Explanation:

Use proportions

70 pages --> 8 mins

? pages --> 60 mins

60/8 = 7.5

That means ?/7.5 = 70, then ? = 70*7.5, ? = 525

Answer 2

525 pages in one hour.

Explanation:

1 hour = 60 minutes

70 pages in 8 minutes

`x` in 60 minutes

8x=4200

525