SOLUTION: A purse contains some coins. Of these the number of 1 rupee coins is 3 times the number of 5 rupee coins and twice the number of 2 rupee coins. Total number of coins is 66. What is

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A purse contains some coins. Of these the number of 1 rupee coins is 3 times the number of 5 rupee coins and twice the number of 2 rupee coins. Total number of coins is 66. What is      Log On


   

Question 841302: A purse contains some coins. Of these the number of 1 rupee coins is 3 times the number of 5 rupee coins and twice the number of 2 rupee coins. Total number of coins is 66. What is the value of 5 rupees coin?
Answer by hamsanash1981@gmail.com(151) About Me  (Show Source):
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Let the total number of 1 rupee be x, the number of 5 rupee coins = x/3 and 2 rupee coin = x/2
Total number of coins in purse = 66
x%2Bx%2F3%2Bx%2F2+=+66
%286x%2B2x%2B3x%29%2F6+=+66
11x%2F6=66
x = 36
Then the number of 5 rupee coin is x/3 => 36/3 = 12.