Algebra Grade 7
posted by randomchik .
the ratio of square H's length to square I's length is 3 : 5, if the length of square H is 18 meters, what is the perimeter of square I?

L1 : L2 = 3 : 5
18 : L2 = 3:5
18/L2 = 3/5
3L2 = 90
l=L2= 30
checK:
18:30 = 3:5 
I dunno