Gallons of gas

Sara drives 171 miles on 7.6 gallons of gas. She uses this information to calculate how many miles per gallon she can drive. Using this result, how many miles can Sara drive on 12.5 gallons of gas?

Correct answer:

x =  281.25 mi

Step-by-step explanation:

x1=171 mi V1=7.6 gal V2=12.5 gal  w=x1/V1=171/7.6=245=22.5 mi/gal  x=V2 w=12.5 22.5=281.25 mi

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