Fifteen chairs wee put into 3 rows of 5. write an equation to show a relationship between the numbers.

That relationship can be expressed by either of ...

For this case we have to find an equation according to 15 chairs distributed in three rows of 5 chairs each.

If in each row there are 5 chairs, and we have a total of three rows, then, the total of chairs will be given by the multiplication of the rows by the number of chairs in each row, then we have the following equation:

just get this app called photo math it should be able to do those