Question

Silver, copper, lead and zinc are melted together in the ratio of 2:6:7: 8 and formed into
mass. One kg of zinc costs 15, a kg of lead 20% more than that of zinc, a kg of silver 20 times
that of lead. If the quantity melted was sold at 60 per kg, find the price of copper in pe
kilograms​

Answer 1

Answer:

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