Mathematics, 16.12.2020 22:30 adriandehoyos1p3hpwc

While mining, Jess found a large metal bar that weighed 40 grams. Jess was also able to determine that the bar contained 30% copper. How many grams of copper are in the metal
bar? Round your answer to the nearest whole number if necessary.
HELP PLEASE

Answers: 1

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While mining, Jess found a large metal bar that weighed 40 grams. Jess was also able to determine that the bar contained 30% copper. How many grams of copper are in the metal bar? Round your answer to the nearest whole number if necessary. HELP PLEASE

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While mining, Jess found a large metal bar that weighed 40 grams. Jess was also able to determine that the bar contained 30% copper. How many grams of copper are in the metal
bar? Round your answer to the nearest whole number if necessary.
HELP PLEASE