Solve the problem.A car rental company offers two rental plans. Under Plan 1 they charge $54 per day plus $0.18 per mile. Under Plan 2 they charge  per day plus  per mile. If you plan to rent for one week, for what mileages is the second plan cheaper than the first?

A. for more than 58,800 mi
B. for more than 14,700 mi
C. for more than 4200 mi
D. fore more than 30,100 mi


Answer: C

Mathematics

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