Question

Two sisters, lily and suri, have been saving money for college for the past several years. At the end of the first year, each sibling has $20. At the end of every year after that, lily managed to triple the total amount from the previous year, while suri increased the total amount from the previous year by $80.

If the trend continues, how many years will it take lily to have more money than suri?

Answer 1

3 years to have an equal amount and 4 years for lily to beat suri

Explanation:

by the 3rd they both have 180 and the fourth is already at 580 while suri is only at 260