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7 November, 23:50

I rent a gym for $150.00 for 30 students. Another time I rent the gym for $270.00 for 70 students. I need to find a fixed rate.

(y = mx+b)

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  1. 8 November, 01:17
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    Answer: y = 3x + 60

    Step-by-step explanation:

    Set up two equations and solve the system:

    270 = 70x + b

    - (150 = 30x + b)

    120 = 40x

    3 = x

    Input "x" into one of the equations and solve for "b":

    150 = 30x + b

    150 = 30 (3) + b

    150 = 90 + b

    60 = b

    Equation: y = 3x + 60

    This means that there is a flat fee of $60 plus a rate of $3 per student
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