Maria has 3 times as many two rupee coins as she has five rupee coins if she has in all a sum of ruppes 77 how many coin of each denomination does she have
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let x be the amount of x 5 rupee so 3x amount of 2 rupee
so total of 5*x + 2*3x =77
x=7
Maria has 7x Rs 5 and 21 x Rs 2
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