Answer:
x = 10 feet
Step-by-step explanation:
Given that,
The area of his bathroom is 100 square feet.
We need to find the one side of the square bathroom.
Let the side be x. The area of a square is given by :

So, the side of the square bathroom is 10 feet.
7/ (3*7)=
(7:7)/ (7*3): 7:)
(7:7):(21:7=
answer 1/3 or do you want full explanation of each step?