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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 1 one dollar coin
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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 1 one dollar coin

User Bhavesh N
by
9.0k points

2 Answers

2 votes
405/50=8.1grams
if asked to simplify the answer would be 8 grams per coin
User Pschueller
by
7.2k points
5 votes
Data:

$50 dollars in bills → 50 coins of one dollar

Estimate the mass of one dollar coin
Solving:

50 coins → 405 grams
1 coin → x

The rule of three

50*x = 405*1
50x = 405

x = (405)/(50)

x = 8,1
We have:


\boxed{x \approx 8grams/coin}


User Tristantzara
by
9.1k points
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