acavazos4p09b68 acavazos4p09b68

10-10-2018
Mathematics

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Solve and explain how you got the answer :

Seven days ago, the gas tank on rosa’s car was filled with 20 gallons of gasoline. Today there are 6 gallons of gasoline. What is the fuel efficiency, in miles per gallon, of rosa’s car if she drove 490 miles in the past 7 days?

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forestmaster forestmaster

12-10-2018

Rosa drove 490 miles on 20 - 6 gallons of gasoline, or 14 gallons. Dividing 490 by 14 will give you your answer: 35. Rosa's car can drive 35 miles for every gallon of gasoline.

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