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Gelneren [198K]
3 years ago
9

the first row the theater has 15 seats in it each subsequent row has 3 more seats that seats that the previous ow . if the last

row has 78 sears, how many rows are in the theater a 21 b 78 c 77 d 45 e 22
Mathematics
1 answer:
noname [10]3 years ago
6 0

Answer:

21

Sorry if not correct

But I think this is the answer

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