Question

Bill uses ¾ of a tube of toothpaste each month. How many mothers will it take him to use 6 tubes of toothpaste

Answer 1

8 months

Explanation:

3/4 of a tube per month = 1.5 tubes for two months = 3 tubes for four months.

Double the 3 tubes for four months to get 6 tubes for 8 months.