Question

A rectangular room is 1.5 times as long as it is wide, and its perimeter is 35 meters. find the dimesions of the room

Answer 1

l=1.5w. And the perimeter of a rectangle is 2w+2l=25 substitute the 1st equation into the second.2w+2(1.5w)=252w+3w=255w=25W=5