Question

This is the easiest question I've asked.Hope you guys can work it out.Correct answer gets brainliest.

Answer 1

Width is 15cm, i got too

Answer 2

Width=x
length=3x
perimeter=2*(x+3x)=8x
8x=120
x=120/8=15
therefore width is 15cm
all the best, and thnx for this question