# Math word problem for number of gallons used on average

**Question description**

My car gets 11 miles per gallon in the city and 38 miles per gallon on the highway. I used 15.955 gallons of gas and got an average of 16 miles per gallon for the trip.

How many gallons did I use for each part of the trip?

gallons at 11 miles per gallon?

gallons at 38 miles per gallon?

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