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OpenStudy (anonymous):
Marcy has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many quarters does she have?
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OpenStudy (mertsj):
d+q=100 .10d+.25q=14.05
OpenStudy (anonymous):
Still confused...
OpenStudy (mertsj):
From the first equation...d= 100-q Substitute that into the second equation and solve.
OpenStudy (anonymous):
Okay thank you! I solved it and got 27 quarters..
OpenStudy (mertsj):
That is correct.
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