There are two piles, one containing 9gold coins and the other 11silver coins. the two piles of coins weigh the same. one coin is taken from each pile and put into the other. it is now found that the pile of mainly gold coins weighs 13units less than the pile of mainly silver coins. let x represent the weight of each gold coin and y the weight of each silver coin. find the weight of a silver coin and of a gold coin.
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There are two piles, one containing 9gold coins and the other 11silver coins. the two piles of coins...
Mathematics, 26.10.2019 22:43
Mathematics, 26.10.2019 22:43
Mathematics, 26.10.2019 22:43
Mathematics, 26.10.2019 22:43
Mathematics, 26.10.2019 22:43