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A hall has 22 rows of chairs there are 18 chairs in each row how many extra rows of chairs are needed to seat 468

User Rich Tier
by
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2 Answers

5 votes

Answer: 4

Explanation:

The amount of chairs in the hall can be found by multiplying 22 by 18 and getting 396. The amount of chairs needed is 468, so 468-396 gets you the amount of chairs still needed and the number 72. There are 18 chairs in each row, and 72/18 is 4. So 4 more rows are needed.

User Matt Parker
by
5.8k points
4 votes

Answer:

Total chairs = 18×22= 396

so no. of extra chairs need = 468-396 = 72

Now( 72/18) rows = 4 rows

Therefore 4 more rows are needed here

Hope it helps you

User Pptt
by
5.2k points