An alloy of tin and copper contains 43% tin. How much copper is contained in 132 kg of alloy?
| March 17, 2021 | education
To solve this problem, remember, in order to find the percentage of the number, you need to multiply this number by the percentage and divide by one hundred. Let’s calculate how many kilograms of tin are contained in 132 kilograms of alloy.
132 * 43/100 = 132 * 0.43 = 56.76 kg.
Let’s calculate how many kilograms of copper are contained in the alloy.
132 – 56.76 = 75.24 kg.
Answer: 75.24 kg.
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