The gasoline gauge on a truck reads 1/8th full. After you add 20 gallons, the gauge reads 3/4th full. What is the capacity of the tank?
we have 3/4-1/8 which is 5/8. 5/8 is 20 gallons. 1/8 is 4 gallons. that means 8/8 is 32 gallons
C = Capacity of the tank.
1/8C + 20 =3/4C, solve for C
C = 32 Gallons the capacity of the tank.