Question

For a school play, the teacher asked the class to set up chairs in 20 rows with 25 chairs in each row. After setting up all the chairs, they were 5 chairs shot. How many chairs did the class set up?

Answer 1

20*25-5

500-5

495

.........

Answer 2

They set up 495 chairs.
25(19)=475
Plus the 20 chairs in the last row
=495
Hope this helps!