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4 votes
At the bank brent exchanges $50 in bills for 50 one-dollars coins. the total mass of the coins is 405 grams. estimate the mass of 1 one - dollar coin.

2 Answers

2 votes
8 as you round up 405 to 400 and divide by 50 and get 8
User Dan Jenson
by
8.6k points
1 vote
The mass of each coin will be 8.1
User Ben Challenor
by
8.0k points
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