The length of a rectangular pool is 2 feet less than twice the width. If the area of the poet is 264 f#t^2#. What are the dimensions of the pool?
1 Answer
The width is 12 feet and the length is 22 feet.
Explanation:
To answer the question the key is to translate the information into mathematical language.
So we have a rectangular pool, with a length
Then we know the area
Now we can plug the first condition into the second, substituting
Now we use the quadratic formula and get
Since we deal with positive numbers (width can't be negative), we have to reject