SOLUTION: How do I solve this problem Eric's gas tank is 1/2 full. After he buys 2 gallons of gas, it is 2/3 full. How many gallons can Eric's tank hold?

Question 411486: How do I solve this problem
Eric's gas tank is 1/2 full. After he buys 2 gallons of gas, it is 2/3 full. How many gallons can Eric's tank hold?
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
Eric's gas tank is 1/2 full. After he buys 2 gallons of gas, it is 2/3 full. How many gallons can Eric's tank hold?
Sol'n:
this problem is a ratio and proportion:
2/3-1/2=1/6 --this corresponds to the 2 gallons.
let x - the total volume of the tank
1/x=(1/6)/2
x=12 gallons ----answer
^_^

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