Question

A copy machine makes 32 copies per minute. How many copies does it make in 4 minutes and 15 seconds?

Answer 1

136 copies

Explanation:

32 copies = 1 minute

128 copies = 4 minutes

15 seconds = 1/4 minute

15 seconds = 1/4 of 32 = 8

128+8 = 136

Answer 2

136

Explanation:

32*4=128

15=1/4 of a minute

32/4=8

128+8=136