The alloy contains 16% tin. How many grams of tin are contained in 125 g of alloy.
| March 11, 2021 | education
We make up the proportion in which the total weight of the alloy is recorded as 100%, and the mass of tin in the alloy as unknown weight x grams.
In such a case, 125 grams would refer to 10% just as x grams of tin would refer to 16%.
We get:
125/100% = x / 16%.
We multiply the extreme terms of the proportion among ourselves.
100 * x = 16 * 125.
100 * x = 2000.
x = 2000/100 = 20 grams.
Answer: The alloy contains 20 grams of tin.
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