
Constant is the number that cannot change the value
Im not sure..but you can copy it
Simple.....

All you have to do is simplify the radical by breaking the radicand up into a product of known factors.
Thus, your answer.
Answer:
7 1/2 cups
Step-by-step explanation:
20 gallons is ten times 2 gallons.
Ten times the amount of water will require ten times the disinfectant (we assume).
... 10 × 3/4 cup = 30/4 cups = 7 1/2 cups