Question

Find the dimensions of a rectangle with a perimeter of 54 meters, if its length is 3 meters more than
twice its width....!​

Answer 1

Given, L=3+B____(1)

Also perimeter=2(L+B)=54

so by equation (1)

2(3+B+B)=54

6+4B=54

4B=54-6=48

B=48/4=12m

and L=3+B=3+12=15m