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22-01-2017
Mathematics

contestada

For every 60 miles, the car uses 2 gallons of gas. gas costs $2.79 a gallon. what will be the total cost for a one way trip of 90 miles?

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Gcar6008 Gcar6008

22-01-2017

$8.37. Since 2 gallons of gas are used every 60 miles, we can calculate that 1 gallon of gas is used every 30 miles. 90mi/30mi = 3 gallons. 3 gallons x $2.79 = $8.37.

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