Posted by Jenny on .
the length of a rectangular piece of land is 40 cm more than two times its width. the perimeter is 680 cm. Find its dimensions

Algebra 
Ms. Sue,
P = 2L + 2W
680 = 2(2W + 40) + 2W
680 = 4W + 80 + 2W
600 = 6W
100 = W