# Dan's long-distance phone carrier charges him $3.95 a month for service. In addition, Dan is charged 5 cents a minute for the calls he makes. If his monthly bill is $48.50, how many minutes of calls did he make?

##### 1 Answer

Nov 11, 2016

Dan made 891 minutes of calls.

#### Explanation:

The formula for the cost of Dan's phone can be written as:

Because we know

Solving for