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?

42.20

Explanation

Translate the information into arithmetic. The café charges \(\$ 25+\$ 0.30(\text { first } 50)+\$ 0.10(x)\) (x is additional visits after 50). For 72 visits there are 50 visits with an additional 22 visits.
\(=\$25+\$0.30\times50+\$0.10\times22\)
\(=\$25+\$15+\$2.20\)
\(=\$42.20\)

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