Question

Rana bought a bamboo plant for her house.

She measured its height 6 hours after buying it, and found it was 12 inches long. The average rate of growth for a bamboo plant is 1.5 inches/hour. What was the height of the plant when Rana first bought it?

Answer 1

3 inches

Explanation:

After 6 hours, the plant grew
`(6)(1.5)=9` inches.

Therefore, the original height is
`12-9=3` inches.