SOLUTION: A handful of 21 nickels and dimes is worth $1.65. Find the number of each type of coin. Show your work.

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Question 818656: A handful of 21 nickels and dimes is worth $1.65. Find the number of each type of coin. Show your work.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
5n + 10d = 165
n + d = 21
n = 21 - d
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5n + 10d = 165
5(21 - d) + 10d = 165
105 - 5d + 10d = 165
5d = 60
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d = 12
n = 9
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