SOLUTION: shiela has 26 coins in her toy bank. They are all nickels and dimes, and their total value is $2.45. How many dimes and nickels dose she have?

Question 643080: shiela has 26 coins in her toy bank. They are all nickels and dimes, and their total value is $2.45. How many dimes and nickels dose she have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
shiela has 26 coins in her toy bank. They are all nickels and dimes, and their total value is $2.45. How many dimes and nickels dose she have?
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Equations:
n + d = 26
5n+10d = 245
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Modify:
5n + 5d = 5*26
5n +10d = 245
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Subtract and solve for "d":
5d = 115
d = 23 (# of dimes)
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Solve for "n":
n + d = 26
n + 23 = 26
n = 3 (# of nickels)
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Cheers,
Stan H.
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