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17 July, 15:23

fred's weekly earnings for mowing lawns can be represented by the function f (x) = 45x - 40, and george's weekly earning for delivering papers can be represented by the function g (x) = 85x - 110. fred says that after 3 weeks they will have earned the same amount. determine whether fred is correct. explain.

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  1. 17 July, 15:25
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    Nope. Fred's earned value after 3 weeks is $95 and George's is $145.

    Step-by-step explanation:

    Fred:

    Substitute x with 3.

    45 (3) - 40

    Solve.

    = 135-40

    = 95

    George:

    Same as before, substitute x with 3.

    85 (3) - 110

    Solve.

    = 255-110

    = 145

    ---

    95 does no equal 145.
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