Math Problem Statement

Ramesh's Father has a jewellery shop where they sell 10 gram of gold for Rs.60,000. The price for the authentic gold is Rs.80,000 per 10 gram. Considering Ramesh's Father mix Copper to decrease price and lure customers,how much Copper of price 10g should he mix in 10g of pure gold so that if he takes 10g of the resultant mixture its price is Rs.60,000

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Weighted Averages
Mixture Problems

Formulas

Weighted average formula: (price of gold * gold quantity + price of copper * copper quantity) / total quantity = desired price

Theorems

None

Suitable Grade Level

Grades 9-12