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27 January, 16:15

Oscar billed his neighbor a total of $125 for the landscaping work he did. The total cost of the materials was $20 and he charged $14 per hour for his service. How many hours did he work

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  1. 27 January, 18:12
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    He worked 7.5 hours

    Step-by-step explanation:

    Let's set up an equation!

    125 = 14x + 20.

    We are trying to find x!

    Let's subtract 20 on both (maintain equality) sides

    105 = 14x

    Now let's divide both (maintain equality) sides by 14 to get!

    x = 7.5

    Let's check!

    125 = 14 * 7.5 + 20

    125 = 105 + 20

    125 = 125 YES

    So, x = 7.5
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