ram have some two rupee coin anf five rupee coin. the number of two rupee coin is thrice the number of five rupees coin.the total money ram have is rs 220. find fivr and two ruppe coins.
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Let the no. of 2 rupee coins be x and 5 rupee coins be y
x = 3y......(1)
2x + 5y = 220.....(2)
Substituting 1 in 2
6y + 5y = 220
11y = 220
y = 20
x = 3*20
= 60
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