If Bill's salary is $25 and he gets a 20¢ commission on every newspaper he sells, how many must he s

Discussion in 'Calculator Requests' started by math_celebrity, Nov 10, 2021.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    If Bill's salary is $25 and he gets a 20¢ commission on every newspaper he sells, how many must he sell to make $47

    Set up bills Earnings function E(n) where n is the number of newspapers he sells:
    E(n) =. Cost per newspaper * number of newspapers sold + base salary
    E(n) = 0.2n + 25

    We're asked to find n when E(n) = 47, so we set E(n) = 47 and solve for n:
    0.2n + 25 = 47

    Using our equation solver, we get:
    n = 110
     

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