sarahlaboy4 sarahlaboy4

21-11-2019
Mathematics

contestada

while mining,Sara found a large metal bar that weigh 20 pounds.Sara was also able to determine that able to determine that the bar has 8 pounds of copper. What percent of the weight of the bar was copper? Round your answer to the nearest tenth if necessary.

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Аноним Аноним

21-11-2019

Answer:

the correct answer is 40%

make 20*5=100 , which is total and 8*5 makes 40

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