Answer:
378
Step-by-step explanation:
a= adult ticket
a= student ticket
5a+1s=2874
1a+1s=1246
Subtract the second equation from the first one
4a=1628
a=407
a+s=1246
407+s=1246
s=839
I think y and z = 45
rational
irrational is something like pi or square root of 3, -27 is a simple number.
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