SOLUTION: I need help on this word problem.Iam enrolled in an Algebra2 course.Thank you! 1. Jose purchased tickets to a rock show for 8 adults and 2 children.The total cost was $132.The c

Question 411215: I need help on this word problem.Iam enrolled in an Algebra2 course.Thank you!
1. Jose purchased tickets to a rock show for 8 adults and 2 children.The total cost was $132.The cost of a child's ticket was $4 less than the cost of an abult's ticket.Find the price of an adult's ticket and a child's ticket.
---you dont have to solve it for me.I only want the formula,and I can solve it myself.
x+y=132?
8x-4y=?iam not sure but iam trying. thank you!!
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
There is no formula. However you'll get a system of equations which will eventually reduce to one single-variable equation that is easy to solve.

We can let be the cost of an adult ticket and be the cost of a child's ticket. Therefore . Also, the child's ticket is $4 less than an adult's ticket so . We can substitute into the first equation to get

, from here you can solve for a, then plug your result into to find c.
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