a. 16 gallons
b. 32
Step-by-step explanation:
Let the full capacity of the tank is x gallons.
a. It is given that 12 gallons of water fill a tank to capacity.
Hence, we can write
⇒ gallons.
b. If the tank is filled to capacity, then there will be 16 gallons of water, with which numbers of half-gallon bottles of be filled with water. (Answer)