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OpenStudy (anonymous):
Need help on this question!! A piggy bank contains $12.75 in nickels, dimes, and quarters. There are twice as many dimes as nickels. and 3 fewer quarters than dimes. How many of each type of coins are there?
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OpenStudy (anonymous):
N: x D: 2x Q: 2x-3
OpenStudy (anonymous):
3 fewer?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
sorry
OpenStudy (anonymous):
then your last job is to solve \[5x+10(2x)+25(2x-3)=1275\]
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OpenStudy (anonymous):
1275 or 12.75
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