Question

For his phone service, Eric pays a monthly fee of $26, and he pays an additional $0.07 per minute of use. The least he has been charged in a month is $127.57.

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

9514 1404 393

Answer:

at least 1471 minutes

Explanation:

Eric's phone bill will be ...

bill = 26 +0.07m

We are told it is not less than 127.57, so we have ...

26 +0.07m ≥ 127.57

0.07m ≥ 101.57

m ≥ 1451

Eric has used his phone at least 1471 minutes in a month.