SOLUTION: Adam has a collection of 27 coins that are worth $2.10. If he only has nickels and dimes , how many of each coin does he have?

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Question 830188: Adam has a collection of 27 coins that are worth $2.10. If he only has nickels and dimes , how many of each coin does he have?

Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
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x = nickels
y = dimes
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x + y = 27
5x + 10y = 210
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copy and paste the above linear system in standard form into this matrix-method solver:
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solution:
x = nickels = 12
y = dimes = 15
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