An adult's ticket i… - QuestionCove

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Mathematics 3 Online

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?

14 years ago

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?

14 years ago

OpenStudy (anonymous):

trying it now

14 years ago

OpenStudy (anonymous):

ok lost

14 years ago

OpenStudy (mertsj):

\[2(2c)+3c=28\]

14 years ago

OpenStudy (mertsj):

Do you see how I replaced a with 2c?

14 years ago

OpenStudy (anonymous):

i got that part right

14 years ago

OpenStudy (mertsj):

\[4c+3c=28\]

14 years ago

OpenStudy (mertsj):

\[7c=28\]

14 years ago

OpenStudy (mertsj):

\[c=4\]

14 years ago

OpenStudy (mertsj):

Did you follow all that?

14 years ago

OpenStudy (anonymous):

ok i got it now thanks

14 years ago

OpenStudy (mertsj):

14 years ago

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