Aphone 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
.

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

560

step-by-step explanation:

giggidy