SOLUTION: if my gas tank is 3/10 full,i buy 14 gallons gas,it is 4/5 full. How many gallons can my car hold?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: if my gas tank is 3/10 full,i buy 14 gallons gas,it is 4/5 full. How many gallons can my car hold?      Log On


   

Question 535229: if my gas tank is 3/10 full,i buy 14 gallons gas,it is 4/5 full. How many gallons can my car hold?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4/5-3/10=
8/10-3/10=5/10=1/2
---------------------
14/(1/2)=
14*2/1=28/1=28 gal