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

Question

disa [49]

3 years ago

11

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

Mathematics

2 answers:

kipiarov [429] · Answer 1 · 2022-08-09T13:14:20+03:00

kipiarov [429]3 years ago

5 0

405/50=8.1grams
if asked to simplify the answer would be 8 grams per coin

GarryVolchara [31] · Answer 2 · 2022-08-09T10:57:42+03:00

GarryVolchara [31]3 years ago

3 0

Data:

$50 dollars in bills → 50 coins of one dollar

<span>Estimate the mass of one dollar coin
</span>Solving:

50 coins → 405 grams
1 coin → x

<span>The rule of three
</span>
50*x = 405*1
50x = 405
$x = \frac{405}{50}$
$x = 8,1$
We have:

$\boxed{x \approx 8grams/coin}$