(L. OBJ. 1) Mixed costs [5—10 min]
Suppose Worldwide-Link offers an international calling plan that charges $10.00 per month plus $0.30 per minute for calls outside the United States.
Requirements
1. Under this plan, what is your monthly international long-distance cost if you call Europe for
a. 20 minutes?
b. 50 minutes?
c. 95 minutes?
2. Draw a graph illustrating your total cost under this plan. Label the axes, and show your costs at 20, 50, and 95 minutes.
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