Iron makes up 4/5 of the mass of the alloy. How many grams of iron is contained in 320 g of alloy.

univerkov | November 27, 2020 | education

If an alloy weighing three hundred and twenty grams contains four-fifths of iron, then it contains 320 * 4/5 = 1280/5 = 256 grams.
Answer: two hundred fifty-six grams of iron

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