P=2(L+w)
28=2(2.5w+w)
28/2=3.5w
14/3.5=w
w=4
I found the width for you now use that information to find the length. I also gave the formula for the perimeter of a rectangle.
the length of a rectangular portrait is 2.5 times the width. the perimeter is 28 feet. what is the length of the portrait
2 answers
the answer is
10
10
1 answer