SOLUTION: A collection of quarters and nickels is worth $2.35. There are 15 coins in all. How many nickels are there?

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Question 1105191: A collection of quarters and nickels is worth $2.35. There are 15 coins in all. How many nickels are there?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Same problem, different numbers.
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Twenty-four coins, all nickels and quarters, have a total of $2.40. How many of each are there?
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n = nickels
q = quarters
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n + q = 24
5n + 25q = 240