SOLUTION: Janelle checks her coin supply and finds that she only has dimes quarters and pennies. she has the same number of pennies as dimes and half as many quarters. if she has ten coins a

Question 1000532: Janelle checks her coin supply and finds that she only has dimes quarters and pennies. she has the same number of pennies as dimes and half as many quarters. if she has ten coins altogether worth 94 cents how many of each kind of coins does she have?
I am having trouble using the 5d method on this word problem what is the answer, and what are the steps to getting it? Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Janelle checks her coin supply and finds that she only has dimes quarters and pennies. she has the same number of pennies as dimes and half as many quarters. if she has ten coins altogether worth 94 cents how many of each kind of coins does she have?
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The following is a confusing statement:: "she has the same number of pennies as dimes and half as many quarters".
If it means what it seams to say, you have 4 equations and only 3 variables.
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Equations:
p = d
q = p/2
p + d + q = 10
p + 10d+ 25q = 94
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Substituting with the top two equations you would get:
p + p + p/2 = 10
(5/2)p = 10
p = 4 (# of pennies)
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Substituting the same 2 into the bottom equation you would get:
p + 10p + (25/2)p = 94
21.5p = 94
p = 4.37 (# of pennies)
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Conclusion:: Confusion
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Cheers,
Stan H.
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