A rectangle has a perimeter of 34 inches. the length is 7 inches longer than the width. the area of this rectangle is _____________ .

Respuesta :

let x inch be the width
x×2+(x+7)×2=34
2x+2x+14=34
4x=20
x=5
the length=5+7 i.e.12 inches
the width=5 inches
Area=5×12=60 inches