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| Question 633230:  You have 20 coins, all nickels, dimes, and quarters. You have 7 dimes exactly. How many nickels do you have and how many quarters do you have?
 Answer by stanbon(75887)
      (Show Source): 
You can put this solution on YOUR website! You have 20 coins, all nickels, dimes, and quarters. You have 7 dimes exactly. How many nickels do you have and how many quarters do you have? ----
 quantity Eq.::: n + d + q = 20
 quantity Eq:::: d = 7
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 n + q = 13
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 Cheers,
 Stan H.
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