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Three rings made of gold and set withdiamonds are of the same weight .The prices of the rings are rs a, rs b,and rs c and the the weight of diamond varies as the squere of its weight , show that price of one unit weight of diamond is 1/2 (a+c-2b) and that of one unit weight of gold is 1/2(9a+7c+16b). Given that the making charge of each of the rings are the same . |
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