SOLUTION: In the math department water-cooler fund, there are 48 quarters and nickels, with a total value of $6.00. How many quarters and nickels are in the fund?

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Question 933987: In the math department water-cooler fund, there are 48 quarters and nickels, with a total value of $6.00. How many quarters and nickels are in the fund?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Q%2BN=48
25Q%2B5N=600
Multiply the first equation by 5 and subtract from the second.
25Q%2B5N-5Q-5N=600-5%2848%29
20Q=360
Q=18
Then,
18%2BN=48
N=30