John earns $5 mowing lawns. How many hours must he work to earn $40?

Discussion in 'Calculator Requests' started by math_celebrity, Feb 20, 2021.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    John earns $5 mowing lawns. How many hours must he work to earn $40?

    Let hours worked be h. We have:
    Earnings = Hourly Rate * Hours Worked
    40 = 5h

    To solve this equation for h, we type it in our search engine and we get:
    h = 8
     

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