Answer:
Step-by-step explanation:
After the discount, each ticket was 90% of its original price, so ...
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(1) The number of adults admitted was ...
 # adults = (total cost for adults)/(cost per adult)
 # adults = ¥29700/¥4950 = 6
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(2) The amount paid for the children was ...
 child admission total = ¥29700 +4860 = ¥34560
The number of children admitted was ...
 # children = (total cost for children)/(cost per child)
 # children = ¥34560/¥4320 = 8