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9 January, 03:09

A troy ounce is equal to 480 grains and 1 grain is equal to 64.8 milligrams. if the price of gold is $560 per troy ounce, what is the cost of 1 g of gold

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  1. 9 January, 03:39
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    For this problem, let's use the approach of dimensional analysis. This technique is done by cancelling out like units that appear both on the numerator and the denominator side. As a result, this technique will let you know that your final answer conforms to what parameter is asked. In this case, the final answer should be in $. The solution is as follows:

    $560/troy ounce * 1 troy ounce/480 grains * 1 grain/64.8 mg * 1000 mg/1 g * 1 g = $18
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