Oceanside Bike Rental Shop charges a 16 dollar fixed feed plus 8 dollars an hour for renting a bike. Tom paid 48 dollars to rent a bike. How

Question

Oceanside Bike Rental Shop charges a 16 dollar fixed feed plus 8 dollars an hour for renting a bike. Tom paid 48 dollars to rent a bike. How many hours did he pay to have the bike checked out?

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    2021-09-10T16:02:04+00:00

    y = mx + b

    y is the total cost

    The slope m is the rate: that’s $8 per hour

    x is the number of hours

    b is the initial value: that’s $16

    y = 8x + 16

    The problem states that the cost was $48.

    Substitute that for y and solve for x.

    48 = 8x + 16

    32 = 8x

    x = 4 hours

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