When four gallons are added to a tank that is one-third full, the tank is then one-half full. The capacity of the tank in gallons is
Answer Choices
A. 8
B. 12
C. 20
D. 24
E. 48
When four gallons are added to a tank that is one-third full, the tank is then one-half full. The capacity of the tank in gallons is
Answer Choices
A. 8
B. 12
C. 20
D. 24
E. 48