SOLUTION: a waitress has 3 time as many dimes as nickles, one more quarter than nickles that worth $2.65 in total. find how many dimes she has?

Question 695034: a waitress has 3 time as many dimes as nickles, one more quarter than nickles that worth $2.65 in total. find how many dimes she has?
Found 2 solutions by lynnlo, stanbon:
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
12 DIMES
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a waitress has 3 time as many dimes as nickles, one more quarter than nickles that worth $2.65 in total. find how many dimes she has?
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Equations:
d = 3n
q = n+1
5n + 10d + 25q = 265 cents
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Substitute for d and for q: solve for "n":
5n + 10(3n) + 25(n+1) = 265
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5n + 30n + 25n = 240
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60n = 240
n = 6 (# of nickels)
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d = 3n = 18 (# of dimes)
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Cheers,
Stan H.
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