math
posted by ashly on .
Kayla designed a rectangular patio that was 3 times as long as it was wide and had a perimeter of 160 feet. What was the area of the patio?

If x = width, then 3x = length.
2x + 2(3x) = 160
Solve for x and 3x.
Insert in equation below.
x * 3x = area