Looks to me as though his mother has only three times as much money as he does.
Harish has $40 his mother has $120.Each day, they will spend $1. How many days more will his mother have 4 times as much money than him?
Harish has $40 his mother has $120.Each day, they will spend $1. How many days more will his mother have 4 times as much money than him?