SOLUTION: little melinda has nickels and quarters in her bank. she has three fewer nickels than quarters. she has $5.85 in the bank. how many coins of each type does she have?
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Question 712329: little melinda has nickels and quarters in her bank. she has three fewer nickels than quarters. she has $5.85 in the bank. how many coins of each type does she have? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! little melinda has nickels and quarters in her bank. she has three fewer nickels than quarters. she has $5.85 in the bank. how many coins of each type does she have?
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Equations:
n = q-3
5n + 25q = 585 cents
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Substitute for "n" and solve for "q":
5(q-3) + 25q = 585
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30q - 15 = 585
30q = 600
q = 20 (# of quarters)
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n = q-3 = 17 (# of nickels)
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Cheers,
Stan H.
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