SOLUTION: The car was 7/8 of fuel in it and they drove 150 miles and there was 1/3 left over. What percentage of fuel did they use?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The car was 7/8 of fuel in it and they drove 150 miles and there was 1/3 left over. What percentage of fuel did they use?      Log On


   

Question 119993: The car was 7/8 of fuel in it and they drove 150 miles and there was 1/3 left over. What percentage of fuel did they use?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
7/8-1/3 NOW FIND A COPMMON DENOMINATOR & SUBTRACT THE FRACTIONS.
(7*3-1*8)/24
(21-8)/24
13/24 IS THE AMOUNT OF GAS USED TO DRIVE 150 MILES.