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OpenStudy (anonymous):
An adult's ticket is two times the cost of a child's ticket. The cost for two adults' tickets and three children's tickets was $28. How much are each ticket?
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OpenStudy (mertsj):
a=2c 2a+3c=28 replace a in the second equation with 2c from the first equation and solve. can you do that?
OpenStudy (anonymous):
trying it now
OpenStudy (anonymous):
ok lost
OpenStudy (mertsj):
\[2(2c)+3c=28\]
OpenStudy (mertsj):
Do you see how I replaced a with 2c?
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OpenStudy (anonymous):
i got that part right
OpenStudy (mertsj):
\[4c+3c=28\]
OpenStudy (mertsj):
\[7c=28\]
OpenStudy (mertsj):
\[c=4\]
OpenStudy (mertsj):
Did you follow all that?
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OpenStudy (anonymous):
ok i got it now thanks
OpenStudy (mertsj):
yw
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