Question

jonah is planting a rectangular garden the perimeter of the garden is 120 yards and the width is 20 yards what is the length of the garden what is an algebraic expression that represents the length of the garden

Answer 1

The length would be:

120-2(20)=2x

Then you would solve for x.

120-40=2x
80=2x

x=40, so the length is 40 yards.