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