Question

For his phone service, Alonzo pays a monthly fee of $17, and he pays an additional $0.07 per minute of use. The least he has been charged in a month is $115.56. What are the possible numbers of minutes he has used his phone in a month? Use m for the number of minutes, and solve your inequality for m .

Answer 1

at least 1,408 minutes

Explanation:

Let m be the number of minutes.

`17 + .07m \geqslant 115.56`

`.07m \geqslant 98.56`

`m \geqslant 1408`