Answer:
umm what do you mean can like you explain
If we make s = Senior tickets,
11s+1s
to find the values of c and s,w
If we express s in terms of c on t
s=21-2c
replacing this value on the first equation, we obtain

Placing c=6 on s=21-2c, we have

Thus the senior ticket costs $9 and the child ticket cost $6
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