30 August, 11:12
A rectangular patio has area of 180 square feet. The width of the patio is 3 feet less than the length. Find the length and width of the patio.
30 August, 12:36
My calculations got to a decimal so it's about.
30 August, 12:40
A) width * length = 180 OR width = 180 / length
B) width = length - 3
Substituting A) into B) we get
180 / length = length - 3
180 = length^2 - 3 * length
length^2 - 3 * length - 180 = 0
(len + 12) * (len - 15) = 0
length = 15
Therefore width = (length - 3) = 12
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» A rectangular patio has area of 180 square feet. The width of the patio is 3 feet less than the length. Find the length and width of the patio.