SOLUTION: A truck has a full tank of gas. It uses 1/3 of the gas on the first part of the journey, 10 gallons on the second journey, and 9 gallons on the third part of the journey.
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Question 380437: A truck has a full tank of gas. It uses 1/3 of the gas on the first part of the journey, 10 gallons on the second journey, and 9 gallons on the third part of the journey.
There are 13 gallons left in the tank at the end. How many gallons does a full tank hold?
the answer is 48 but I don't know how to solve it Please Help!
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
After the first third of the car's gas has been used, we see that there are 10+9+13 = 32 gallons left.
Therefore, 32 = (2/3)x where x is the number of gallons in a full tank. Multiplying by 3/2, we get x = 48 gallons.
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