After filling the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5 of the fuel driving from P to Q. if she used another 7 gallons to drive from Q to R and still had 1/4 of the tank full, what is the capacity of the tank in gallons?
Created: 6 years ago |
Updated: 2 years ago
best des
Fuel used from Q to R = 1 - (2/5 + 1/4) = 1 - 13/20 = 7/20
Now, 7/20 of capacity = 7 gallons
So, full capacity = 7 x 20/7 = 20 gallons
Md Azizur Rahman
Founder of Satt
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