Solve.Gary has to choose between two calling plans for his local phone service. Plan A charges a monthly fee of $60 regardless of how many local calls are placed. Plan B charges $20 per month plus $0.50 for each local call placed. Graph the system to find the number of calls that would have to be placed for the two plans to charge the same amount.
A. 90 calls
B. 80 calls
C. 100 calls
D. 70 calls
Answer: B
Mathematics
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