Question

A rectangular room is 5 meters longer than it is wide, and its perimeter is 26 meters. Find the dimension of the room.

Answer 1

l=×+5

w=×

p=2(×+5+×)

=2(2×+5)

26=4×+10

26-10=4×

16=4×

×=4

length=5+4=9

width=4