Question 818082: A jar containing only nickels and dimes contains a total of 749 coins. The value of the jar is $57.10. How many of each coin are in the jar?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! n + d = 749
n = 749 - d
5n + 10d = 5710
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5n + 10d = 5710
5(749 - d) + 10d = 5710
3745 - 5d + 10d = 5710
5d = 1965
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d = 393
n = 356
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