SOLUTION: 2+r/6r=3/5r+1/30

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Question 746445: 2+r/6r=3/5r+1/30
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
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.