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19 June, 15:32

Amanda drove for 3 hours through different traffic conditions. her average speed was 50mph for the first hour, 72 mph for the second hour, and 46 mph for the third hour. if her car's mileage is 23 miles per gallon, how many gallons did she use

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  1. 19 June, 16:11
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    Distance traveled in the first hour = 50 miles

    Distance traveled in the second hour = 72 miles

    Distance traveled in the third hour = 46 miles

    Total distance = 50 + 72 + 46 = 168 miles

    23 miles = 1 gallon

    168 : 23 = 7.30 gallons (nearest hundredth)

    Answer: 7.30 gallons
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