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Each year, a cyber café charges its customers a base rate of $25, with an additional $0.30 per visit for the first 50 visits, and $0.10 for every visit after that. How much does the cyber café charge a customer for a year in which 72 visits are made?

A 42.20

Translate the information into arithmetic. The café charges $25 + $0.30 (first 50) + $0.10(x) (x is additional visits after 50). For 72 visits there are 50 visits with an additional 22 visits.