SOLUTION: A box contains 30 coins, in nickels and dimes, worth $2.40. How many of each coin are there

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Question 920924: A box contains 30 coins, in nickels and dimes, worth $2.40. How many of each coin are there
Answer by Alan3354(69443) About Me  (Show Source):
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A box contains 30 coins, in nickels and dimes, worth $2.40. How many of each coin are there
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N + D = 30
5N + 10D = 240