Solve.
-The monthly plan for your cellular telephone allows you to use 200 minutes a month. After calling customer service you find that you have used 42 minutes. You are planning to make two short personal calls of about 9 minutes each. Then, you need to make three important long business calls. If the calls are of equal length, approximately how much time will you have for each call? Round to the nearest whole number.
A) 45 minutes
B) 35 minutes
C) 50 minutes
D) 47 minutes

Question

Quizplus · Accepted Answer

After the two short personal calls of 9 minutes each, you will have used 42 + 9 + 9 = 60 minutes. With 200 minutes total, you have 200 - 60 = 140 minutes left. Dividing this time equally among the three long business calls gives 140 / 3 ≈ 47 minutes per call.

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