For her phone service, Martina pays a monthly fee of

$28

, and she pays an additional

$0.06

per minute of use. The least she has been charged in a month is

$88.72

.

What are the possible numbers of minutes she has used her phone in a month?

Use

m

for the number of minutes, and solve your inequality for

m

.

Question

Mathematics

Rory Frost

22 November, 14:40

For her phone service, Martina pays a monthly fee of

$28

, and she pays an additional

$0.06

per minute of use. The least she has been charged in a month is

$88.72

.

What are the possible numbers of minutes she has used her phone in a month?

Use

m

for the number of minutes, and solve your inequality for

m

.

+5

Answers (1)

Know the Answer?

Johnny Mcpherson · Answer 1

If you make an equation first, 88.72 ≤28+.06m, you can figure it out.

First you subtract 28 from 88.72 getting 60.72≤.06m. Then you divide both sides by. 06. Then you get your final answer, which is an inequality, 1012≤m.

That means that Martina uses at least 1012 minutes of service.

For her phone service, Martina pays a monthly fee of$28, and she pays an additional$0.06per minute of use. The least she has been charged in a month is$88.72.What are the possible numbers of minutes she has used her phone in a month?Usemfor the number of minutes, and solve your inequality form.