Mathematics, 21.05.2021 05:20, xcapo1x

In a school hall, chairs were arranged in rows such that there were exactly 9 chairs in each row.
For a concert, Mr Ong brought 6 more chairs into the school hall and rearranged all the
chairs. There are now exactly 7 chairs in each row and 12 more rows than before.
How many chairs are there in the school hall for the concert?

Answers: 1

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In a school hall, chairs were arranged in rows such that there were exactly 9 chairs in each row.