City cabs charges a 2.25 pickup fee and 1.25 per mile traveled.Diego's fare for a cross-town cab ride is $22.25.How far he travel in the cab?

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  • 4 months ago

    City cabs charge a 2.25 pickup fee and 1.25 per mile traveled.

    Diego's fare for a cross-town cab ride is $22.25.

    How far did he travel in the cab?

    He traveled 16 miles in the cab.

  • 4 months ago

    22.25-2.25=20/1.25=16 miles.

  • 4 months ago

    If the pickup fee is $2.25 and $1.25 per mile, then the cost function for this is:

    C(x) = 1.25x + 2.25

    So what's the miles if the fare is $22.25?  Solve for x when C(x) = 22.25:

    22.25 = 1.25x + 2.25

    20 = 1.25x

    20/1.25 = x

    x = 16 miles

  • 4 months ago

    First subtract the pickup fee.  22.25 - 2.25 = 20.00

    Now divide 20.00 by 1.25.  I get 16.  That's 16 miles.

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