Asked by fon valerie

a fence has 200m of fencing to enclose two adjacent rectangular fences .find the dimensions such that the area enclosed will be 1400 square metre
Answered by Steve
2x+3y=200
2xy=1400
2x+3(700/x) = 200
x=88.08 or 11.92

So, the area is

23.84 x 58.72
or
176.16 x 7.94