Respuesta :

8:1 children to adult tickets
c-children tickets
a-adult tickets

1) c=8a
2) c=a+147

8a=a+147
7=a=147
a=147/7
a=21 adult tickets
c=8a=8(21) = 168 children's tickets
total tickets =21+168
=189 tickets
Hope this helps!

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