Answer to Question #137577 in Algebra for Amy

Question

A cell phone company offers two monthly plans. Users of Plan A pay a monthly fee of $15, and are charged 4 cents for every minute of cell phone usage. Users of the second plan, Plan B, pay a monthly fee of $10, and are charged 5 cents for every minute of cell phone usage. Martha can afford no more than $40 per month for a cell phone plan. Which plan should she choose?

Answer 1

Plan A

$(40-15)/0.04=625$ minutes

Plan B

$(40-10)/0.05=600$ minutes

Marta should choose Plan A