The number of seats in each row of an auditorium increases by 2 from one row to the next. if there are 48 seats in the first row, how many seats are there in the 60th row?

Let's see if we can find a pattern:

Row number 1 has seats

Row number 2 has seats

Row number 3 has seats

Row number 4 has seats

Can you see the pattern? After rows, we have added seats.

So, the 60th row will have

you need a common difference between consecutive terms to be constant, like 1,2,3,4 or 2,4,6,8, or 1,3,6,9