Question

The function below can be used to calculate the cost of making a long distance call, f(m), which is based on a $2.50 initial charge and a fee of $.12 per minute, m, that the call lasts.

f(m)=2.5+0.12m

If Natalie paid $6.82 for one call, how many minutes long was it?

Answer 1

she was on a call for 36 minutes

Step-by-step explanation: 6.82-2.5= 4.32 4.32/.12= 36