For her phone service, Melissa pays a monthly fee of $19, and she pays an additional $0.06 per minute of use. The least she has been charged in a month is $105.70. 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.

Respuesta :

Answer:

1,445 m

Explanation:

This is based on fixed cost and variable cost

Fixed cost is fixed monthly = $19 per month

Additional = $0.06 per minute

If total paid = $105.70

Variable = $105.70 - $19 = $86.70

Minutes = [tex]\frac{86.70}{0.06} = 1,445[/tex]

1,445 m

Which means a total of 24.083 hours, but since it charges on per minute basis and thus the cost will be depicted for 1,445 minutes.

1,445 m