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At the bank, Brent exchanges $50 in bills for $50 one-dollar coins.The total mass of the coins is 405 grams. Estimate the mass of the 1 one- dollar coin.

User Jayesh
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2 Answers

3 votes
About 8 grams because 405 is rounded to 400 and 400 divided by 50 equals 8 grams.
User Van Nguyen
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6 votes
$50 dollars in one-dollar coins = 405 grams

simply divide 405 grams by 50 coins which equals 8.1 grams

The answer to your question would be ~8 grams per coin
User Sarathlal N
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