Mathematics, 05.03.2021 21:50 garyperry

9. Jen's lawn mowing service charges $28 an hour plus a $15 fee to cover gas for the mower. Malcolm's lawn service charges $ 16 an hour, but a $63 fee. For
how many hours will Jen's service be cheaper than Malcolm's?

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9. Jen's lawn mowing service charges $28 an hour plus a $15 fee to cover gas for the mower. Malcolm...