SOLUTION: You have 12 coins, all quarters and dimes. The coins are worth $2.10. How many coins of each do u have.

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Question 858450: You have 12 coins, all quarters and dimes. The coins are worth $2.10. How many coins of each do u have.
Found 2 solutions by tommyt3rd, MathTherapy:
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
1) N+D=12
2) .05N+.1D=2.10

but solving for D gives us D=30 (impossible)
this problem is not solvable

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
You have 12 coins, all quarters and dimes. The coins are worth $2.10. How many coins of each do u have. 


There are: highlight_green%286%29 quarters and highlight_green%286%29 dimes.