Question

The perimeter of a rectangle is 66 cm and its width is half its length.what is the width and lwngth of the rectangle.

Solve using elimination or substitution.show work please

Answer 1

`perimeter=2width+2length\\\\ 2width=length\\\\ 66=length+2length\\\\ 66=3length\ \ \ | divide\ by\ 3\\\\ length=22cm\\\\ width=11cm`