Question

Part 1. In January, the total cost for 300 minutes was $78 while in February, the total cost for 100 minutes was $66. The constant charge for each minute used is:
0.07
0.06
0.08

Part 2. The fixed montly fee charged by the carrier is;

fee =

( I already had this question up but I forgot to select the number of points to add )

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$0.06

Step-by-step explanation:

Cost of additional 200 minutes:

78-66 = $12

Per minute: 12/200 = $0.06