from the local ymca 105 adults and kids will attend the local fair advanced adult tickets for the fair will cost $8 and an advanced kid tickets will cost $5 the organization received a bill for $645 how many adult tickets were purchased

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Answer:

I think 91 adult tickets

Step-by-step explanation:

My reasoning is if you divide 105 by 8 you get 13 then you subtract 12 by 105. It might be wrong but i tried lol