Question:

For her phone service, Donna pays a monthly fee of $20, and

Last updated: 7/17/2022

For her phone service, Donna pays a monthly fee of $20, and

For her phone service, Donna pays a monthly fee of $20, and she pays an additional $0.07 per minute of use. The least she has been charged in a month is $100.78. 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.