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4 August, 20:00

Best rentals charges a daily fee plus a mileage fee for renting its cars. barney was charged $81 for 3 days and 300 miles, while mary was charged $145 for 5 days and 600 miles. what does best rental charge per day and per mile?

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  1. 4 August, 20:11
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    For this case, the first thing we must do is define variables:

    x: rental charge per day

    y: rental charge per mile

    We write the system of equations:

    3x + 300y = 81

    5x + 600y = 145

    Solving the system we have:

    x = 17

    y = 1/10

    Answer:

    rental charge per day = 17 $

    rental charge per mile = 1/10 $
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