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18 August, 19:49

Pira drives 825 miles to California. The trip takes him 17 hours. He uses 38 gallons of gas on the trip, which cost him $125. Find his speed. Find his gas mileage. Find the unit price he paid for gas.

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  1. 18 August, 20:07
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    a) His average speed is $48.53 miles/hour

    b) His gas mileage is 21.71 miles per hour.

    c) 1 gallon of gas is 1 gallon of gas = $3.29.

    Step-by-step explanation:

    A) Pira drives to California in 17 hours = 825 miles

    Pira drives to California in 1 hours = (825/17) miles

    = 48.53 miles/hour.

    Therefore, his average speed is $48.53 miles.

    B) Pira uses 38 gallons to drive 825 miles

    Pira uses 1 gallon to drive 825/38 miles-per-hour

    = 21.71 miles-per-hour

    Therefore, his gas mileage is 21.71 miles per hour.

    C) 38 gallons of gas cost = $125

    1 gallon of gas = $125/38

    1 gallon of gas = $3.29.
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