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You are running a fuel economy study. One of the cars you find is blue. It can travel 45 1/2 miles on 1 1/4 of gasoline. Another car is red. It can travel 23 3/5 miles on 4/5 of gasoline. What is the unit rate for miles per gallon for each​ car? Which car could travel the greater distance on 1 gallon of​ gasoline?

Sagot :

sqdancefan

9514 1404 393

Answer:

  • blue: 36.4 mpg
  • red: 29.5 mpg
  • blue goes farther on 1 gallon

Step-by-step explanation:

You find miles per gallon by dividing miles by gallons. ("Per" essentially means "divided by.")

blue

  (45.5 mi)/(1.25 gal) = 36.4 mpg

red

  (23.6 mi)/(0.8 gal) = 29.5 mpg

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"Miles per gallon" is the number of miles traveled on one gallon. The blue car can travel a greater distance on 1 gallon of gasoline.

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