SOLUTION: A dealer purchases 22 pencils for Rs.20 and sells them at the rate of 10 pencils for Rs 11 . His profit percent is ?

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Question 980391: A dealer purchases 22 pencils for Rs.20 and sells them at the rate of 10 pencils for Rs 11 . His profit percent is ?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
20/22=0.90 each cost
11/10=1.10 retail each
1.10-0.90=0.20 net
0.20/0.90=0.222=22.2%