Question

The number of trees in a town is 17640. if the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

Answer 1

Answer:

16000

Explanation:

let the no. of trees 2 years ago be a

105/100 * 105/100 * a = 17640

a = 17640*100*100/105*105

a = 16000