SOLUTION: A change machine changes dollar bills into quarters and nickels. If you receive 12 coins after inserting a dollar bill, how many nickels did you receive?

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Question 960400: A change machine changes dollar bills into quarters and nickels. If you receive 12 coins after inserting a dollar bill, how many nickels did you receive?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You receive 12 coins for $1
I'll try:
2Q and 10N = $1
12 coins
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I got 10 nickels