Mathematics, 13.03.2020 05:59 chaseking120418
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 )
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Part 1. In January, the total cost for 300 minutes was $78 while in February, the total cost for 100...
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