Asked by Kenneth Hipps on May 19, 2024

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The Royal Canadian Mint sells one troy ounce (31.16 grams) platinum collector coins of 99.95% purity. How many milligrams of impurities are in a single coin?

Troy Ounce

A unit of measure for precious metals that is approximately 31.1035 grams, commonly used in the trading of gold and silver.

Milligrams

A unit of mass in the metric system equal to one thousandth of a gram.

  • Learn to apply the principles of proportions and percentages in realistic situations, like comparing financial plans and assessing the purity of materials.
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Alyssa MillnerMay 22, 2024
Final Answer :
15.58 mg