Area

[Guest]

A field, rectangular with length twice width, is enclosed by x yards of fencing. Calculate area in terms of x.

[Guest]

let w = width
2w = length
perimeter = 6w and this equals x
w = x/6

Area = w * 2w
= x/6 * 2x/6
= (2x^2)/(36)

= x^2 /18