Question

length of a room is 2.5 times its width write an expression for the perimeter​

Answer 1

Answer:

l=2.5b

Step-by-step explanation:

P= 2(lx 2.5b)

Anwser may not be correct

Answer 2

Answer: 2(2.5b+b)

Step-by-step explanation:

Let the width be b.

So, length= 2.5b

Perimeter= 2(l+b)

=2(2.5b+b)

=2×3.5b

=7b

Hope it helps.