Answer:
25x - 45
Step-by-step explanation:
distributing 5 through parantheses
7x21
First, we need to find the length of the pool. Since it is three times as long as it is wide, it is 21 feet long (7 x 3 = 21). That way we can tell that it is 7x21, with a perimeter of 56 feet, and an area of 147 feet squared.
substitute the place of the X
Hi! Your answer should be, 1,960.89
Hope this helps you!
