Answer:
18.84 feet is the right answer
Yes it is. A gallon is 4 quarts, so he has more than enough. He has 2 quarts extra.
You have to simplify the 1/5 first.
Then simplify the square root of 1 to equal 1
Then rationalize the denominator
Then simplify
See below for solution. Hope this is helpful
Simplified form : 17y + 7