Mathematics, 29.10.2020 17:00 ruinmylife

A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? This is kind of hard and I need a bit of help.

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A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more q...

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