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OpenStudy (anonymous):
Alejandro put his baseball collection up for sale, charging $3 for some cards and $5 for the others. Alejandro sold an equal number of $3 and $5 cards, and earned a total of $96. How many $3 cards did he sell?
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OpenStudy (anonymous):
\[3x+5x=96\]
OpenStudy (anonymous):
then solve from there
OpenStudy (anonymous):
solve for x, right?
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
i got it. it's 12.
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OpenStudy (anonymous):
:) yes
OpenStudy (anonymous):
thanx! :)
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