Mathematics, 06.03.2021 01:50, brooke012002

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...