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mrs. jenkins was arranging chairs for a school awards assembly. each row contained 15 chairs. if there were 21 rows many chairs had to be arranged?

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315 is the answer to this question
User Leo Aso
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Answer: 315 chairs had to be arranged .

Explanation:

Given : Mrs. Jenkins was arranging chairs for a school awards assembly.

Number of chairs in each row = 15

Then by using MULTIPLICATION OPERATION, the number of chairs in 21 rows :-


15*21=315

Therefore, the total number of chairs had to be arranged =315