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2013 AMC 10B Question 8

AMC10 · 2013 AMC 10B

Question 8

Ray’s car averages $40$ miles per gallon of gasoline, and Tom’s car averages $10$ miles per gallon of gasoline. Ray and Tom each drive the same number of miles. What is the cars’ combined rate of miles per gallon of gasoline?
  1. $ 10 $
  2. $ 16 $
  3. $ 25 $
  4. $ 30 $
  5. $ 40 $