Question 357063
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
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m.ananth@hotmail.ca