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)   (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)   (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:  quarters and  dimes.

 

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