The mass of the alloy of tin with copper is 300 g. Tin is seven-fifteenths of the mass of the alloy.
| August 24, 2021 | education
The mass of the alloy of tin with copper is 300 g. Tin is seven-fifteenths of the mass of the alloy. How much copper is in the alloy.
1. Let us find what part is copper in the alloy, if tin is 7/15 of the mass of the alloy:
1 – 7/15 = 15/15 – 7/15 = 8/15.
2. Find the mass of copper in the alloy by multiplying its part by the mass of the alloy:
8/15 * 300 g = 8 * 20 g = 160 g.
Answer: the mass of copper in the alloy is 160 g.
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