To find out how many seeds will be planted in each of the 9 rows, John can divide the total number of seeds (2,700) by the number of rows (9).
The basic fact he can use to simplify this is:
270 ÷ 9 = 30.
This means that each row will have 30 seeds.
So, the correct response is:
270 ÷ 9 = 30.