Question

Chairs need to be set up for the audience members You want to use the fewest number of chairs and still meet rhese three additional conditions. There are 22 rows of chairs. There are the same number of chairs in each row. There are even numbers of chairs in each row.Based on the numner of students expected to attend, design a plan to set up the chairs. State how many total chairs there are, and explian why your plan meets these conditions.

Answer 1

Let the number of chairs in each row be x

Since there are 22 rows, therefore, the total number of chairs is 22x.

There is an even number of chairs in each row.

Therefore,

$x=2n,\text{ n=1,2,3,}\ldots.$

Therefore, the total number of chairs is

$22\times2n=44n$

So, the plan to set up the chairs should be multiple of 44

In this design, each row consists of an even number of chairs and a total number of rows of chairs is 22