Copper ore contains 6% copper. How much copper is contained in 250 tons of such ore?
| September 7, 2021 | education
According to the condition of the problem, the mass of copper in the ore is – 6%, then the mass of copper ore is – 100%.
250 tons – 100%,
? – 6%.
1) 250 tons * 6: 100 = 1500 tons: 100 = 15 tons is the mass of copper in copper ore.
Answer: 250 tons of copper ore contains 15 tons of copper.
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