A locker combination like 7 - 23 - 11 uses three rumbers, each from 1 to 40. Numbers can be used more than once, like 7 - 23
Outcomes?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?