Question

A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of
$30
and then an additional
9
cents per minute of use. In Plan B, the customer pays a monthly fee of
$36
and then an additional
7
cents per minute of use.
For what amounts of monthly phone use will Plan A cost less than Plan B?
Use
m
for the number of minutes of phone use, and solve your inequality for
m
.

Answer 1

Plan A will cost less than B when it's less than 300 minites

Answer 2

yes the answer is plan a indeed it will be less than 300