A phone company offers two monthly charge plans.

In Plan A, there is no monthly fee, but the customer pays 7 cents per minute of use.

In Plan B, the customer pays a monthly fee of $2.50 and then an additional 6 cents per minute of use.

For what amounts of monthly phone use will Plan A cost more than Plan B?

Use m for the number of minutes of phone use in a month, and solve your inequality for m .