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Polly set up chairs for a meeting. She set up 7 rows of chairs. There were 9 chairs in each row. The number of chairs Polly set up for the meeting can be found by simplifying the expression below.

$$9×7$$

How many chairs did Polly set up for the meeting?
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9 x 7

= 63 chairs altogether
by Diamond (45,616 points)

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