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You are on a 650-mile trip. your car used eight gallons of gas to travel the first 210 miles of the trip. how much more gas will you need to make it the rest of the way at the s…
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You are on a 650-mile trip. your car used eight gallons of gas to travel the first 210 miles of the trip. how much more gas will you need to make it the rest of the way at the s…
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Jun 1, 2017
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You are on a 650-mile trip. your car used eight gallons of gas to travel the first 210 miles of the trip. how much more gas will you need to make it the rest of the way at the same rate?
Mathematics
high-school
Dave Goten
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Dave Goten
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8 gallons per 210 miles = 210/8 = 26.25 miles per gallon
650 - 210 = 440 miles left to travel
440/26.25 = 16.76 gallons
or
8/210 = x/440
cross multiply
210x = 3520
x = 3520/210
x = 16.76 gallons
Tdelepine
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Jun 6, 2017
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Tdelepine
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