3/9 = b/15 =b….
c/20 = 5/25 =c…
18/d = 57/95. =d…
2/130 = 9/e = e…
3/9=b/15 b = 5
c/20 =5/25 c= 4
18/d = 57/95 d =30
2/130 = 9/e = 585
3/9 = b/15 =b….
c/20 = 5/25 =c…
18/d = 57/95. =d…
2/130 = 9/e = e…
3/9=b/15 b = 5
c/20 =5/25 c= 4
18/d = 57/95 d =30
2/130 = 9/e = 585