Copper ore contains 8% copper. How much ore do you need to take to contain 18 tons of copper?
| September 18, 2021 | education
The condition specifies the percentage of copper in the ore and the mass of copper, which must be in a certain amount of ore. Let’s translate the percentage into a number:
1) 8% = 0.08;
In order to find the mass of ore, you need to divide the known mass of ore into the part, which it is:
2) 18 / 0.08 = 225 (t) is the mass of copper ore.
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