Question

Milton purchases of 5 gallon aquarium for his bedroom to fill the ground with water uses the container with the capacity of 1 quart how many times will Milton fill and empty the container before the aquarium is full

Answer 1

We know that

the capacity of container is 1 quart--------> 0.25 gallon------> 1/4 gallon
so
1/4 gallon-----------------> 1 time
5 gallons----------------> X times?
X=5/(1/4)--------> X=20 times

the answer is
20 times