Question

A bamboo plant is measured to be 20 inches tall. After a certain number of hours, it had grown to be 30 inches tall. If the plant grows at a rate of 5/4 inches per hour, how many hours were there between measurements?

Answer 1

8 hours

Explanation:

It grows 5/4 inches per hour, so all you have to do is get the numerator thats 10 times the denominator. And 8 hours gets that