a purse has only 2 Rupees and 5 rupees coin the sum of the coin is 36 and the total value of the cone is 84 find the number of 5 rupees coin
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let the no of 2 rupee coin and 5 rupee coin be x and y respectively
given total no of coin is 36
hence, x+y=36 eq1
also given total value of coins is 84
hence, 2x+5y = 84 eq2
by solving eq 1 and eq2 we get x=32 ,y =4
therefore no of 5 rupee coin is 4
given total no of coin is 36
hence, x+y=36 eq1
also given total value of coins is 84
hence, 2x+5y = 84 eq2
by solving eq 1 and eq2 we get x=32 ,y =4
therefore no of 5 rupee coin is 4
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