Question 459833
Perimeter=2(l+b)
Let the length be x
then width=3/4x
when length and width are increased by 2 the the perimeter=50
2(x+2+3/4x+2)=50
*[invoke explain_simplification 2(x+2+3x/4+2)=50]
then length=12
     Width=3/4 of x
          = 3/4 * 12
          = 9
Hope this helps!