In 320 g of an alloy of gold and silver, there are 80 g of gold. How many grams of gold in an alloy weighing 120 g?

univerkov | January 1, 2021 | education

Let us find how many times the first alloy is larger than the second:
320/120 = 8/3
How many times one alloy is larger than another, so much the mass of gold in one will be more than in the other:
80 / (8/3) = 30 g
Answer: 30 g

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