Question

Calls from a call box are charged per minute at one rate for the five minutes, then a different rate for each additional minute. If a 7 minute call costs $4.25 and a 12 minute call costs $5.50, find each rate.​

Answer 1

0.61

0.46

Explanation:

4.25/7=0.60714285714

5.50/12=0.45833333333

round up