Question

For her phone service, Mai pays a monthly fee of $10 , and she pays an additional $0.05 per minute of use. The least she has been charged in a month is $82.15 .
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 .

Answer 1

\[10 + 0.05m \ge 82.15\]

Answer 2

"The least she has been charged in a month is $82.15"
means that her monthly charge is always greater than or equal to 82.15
monthly charge >= 82.15
monthly fee + per minute fee >= 82.15

Answer 3

m>1443