### 3 Answers

let the width be x so the length is 2x so 2(x+2x)=84 divide both sides by 2 so 3x=42 so x=42/3=14 so the width is 14 feet &the length is 2(14)=28 feet

2 L + 2 W = 84 2 ( 2 W ) + 2 W = 84 6 W = 84

W = 14 ft

14feet

let the width be x so the length is 2x so 2(x+2x)=84 divide both sides by 2 so 3x=42 so x=42/3=14 so the width is 14 feet &the length is 2(14)=28 feet

2 L + 2 W = 84 2 ( 2 W ) + 2 W = 84 6 W = 84

W = 14 ft

14feet