Question 746445
2+r/6r=3/5r+1/30
2+1/6=3R/5+1/30
(6*2+1)/6=3R/5+1/30
(12+1)/6-1/30=3R/5 
13/6-1/30=3R/5 
(13*5-1)30=35/5 
(65-1)/30=3R/5 
64/30=3R/5 CROSS MULTIPLY.
30*3R=5*64
90R=320
R=320/90
R=32/9 ANS.