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Mathematics 7 Online
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?

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.

OpenStudy (anonymous):

:) yes

OpenStudy (anonymous):

thanx! :)

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