Question 1057420
You have 19 coins consisting of nickels, dimes, and quarters. There is a value of $2.75. How many of each coin do you have? 
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Quantity Eq:: n + d + q = 19 coins
Value Eq:::  5n+10d+25q = 275 cents
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Comment:: You need a 3rd equation statement.
Cheers,
Stan H.
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