SOLUTION: Admission to county fair cost $20 for 2 adults and 1 child and $16 for 1 adult and 2 children. What is the cost for 1 adult.
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Question 357063: Admission to county fair cost $20 for 2 adults and 1 child and $16 for 1 adult and 2 children. What is the cost for 1 adult.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
adult ticket be x
child ticket be y
..
2x+y=20
x+2y=16
..
multiply first equation by -2
-4x-2y=-40
x+2y=16
add
-3x=-24
/-3
x= $8 for adult
plug value of x in first equation
2*8+y=20
y=20-16
y= $4 child ticket
...
m.ananth@hotmail.ca
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