Question

a rectangular room is 1.5 times as long as it is wide, and its perimeter is 27 meters. find the dimension of the room.

Answer 1

l=1.5w
p=2l+2w
2(1.5w)+2w=27
3w+2w=27
5w=27
/5
w=5.4 meters
l=8.1 meters