Question

Machine A produces 156 toys in 13 hours while machine B produces 90 toys in 7 hours. Which rate is higher?

Answer 1

B.

Explanation:

156 divided by 13 hours = 12 toys/hour

90 divided by 7 = 12.86 toys/hour (rounded up from 12.8571429)

Answer 2

Answer: machine machine B produces more than machine A

Explanation:

It takes machine A almost double the time of machine B to produce 156 toys

Say machine B is using same time as machine A, it will for sure produce about 180 toys

Hence machine B is faster