Question

while mining Mary found large metal bar that weighed 42 gram Mary was also able to determine that the bar contains 71.4% silver how many grams of silver are in the metal bars​

Answer 1

Answer:

29.988 grams

Step-by-step explanation:

71.4/100 × 42

Answer 2

Mass of silver in metal bar is 29.988 grams.

Given - Total mass and percentage

Find - Mass of silver

Solution - In the mentioned question, the total weight of Silver is given. Also, we are told the percentage of silver in the bar. Thus, finding the amount of silver can be done using multiplication.

Mass of silver = 71.4%*42

Mass of silver = $\frac{71.4}{100} \times 42$

Performing multiplication and division

Mass of silver = 29.988 grams

Hence, the mass of silver in the metal bars is 29.988 grams.

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