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2 boxes. In the first one, one 5 dolar coins, two 1 dolar coins,,in the second...

2 boxes. In the first one, one 5 dolar coins, two 1 dolar coins,,in the second there are 3 of 5 dolar coins and one of 1 dolar coin. A coin is taken from the first and putted in the second box the second, and a coin is withdrawn from the second. if the one withdrawn from the second box is 1 dolar coin what is the probability that the money thrown from the first to the second is 5 lira?

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