A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $25 and then an additional 7 cents per minute of use. In Plan
B, the customer pays a monthly fee of $29.20 and then an additional 5 cents per minute of use.
For what amounts of monthly phone use will Plan A cost less than Plan B?
Usem for the number of minutes of phone use, and solve your inequality for m.