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Movie tickets for an adult and three children cost $20. an adult's ticket costs $2 more than a child's ticket. find the cost of an adult's ticket.
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Movie tickets for an adult and three children cost $20. an adult's ticket costs $2 more than a child's ticket. find the cost of an adult's ticket.

User Imoum
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1 Answer

4 votes
a- price of adult's ticket
c- price of children's ticket

a+3c=20
a=c+2
c=a-2

a+3(a-2)=20
a+3a-6=20
4a=26
a=6.5

The cost of an adult's ticket is $6.50
User BeMy Friend
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