SOLUTION: Carlos has tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 gallons full. How many gallons can carlos tank hold?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Carlos has tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 gallons full. How many gallons can carlos tank hold?      Log On


   

Question 1070863: Carlos has tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 gallons full. How many gallons can carlos tank hold?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
6%2Agallons=%287%2F10-1%2F5%29%2Atank

6gallons=%287%2F10-2%2F10%29%2Atank

6%2Agallons=%281%2F2%29%2Atank

6%2A2%2Agallons=%281%2F2%29%2A2%2Atank

1*tank is 12 gallons.