Answer:
Tatyana can plant 2 rows of plants for the rows to be the same without left over plants.
Explanation:
So you need to know the greatest number that you can plant for flowers and bushes, the bushes you can do 6 but the flowers cant be divided into 6, so now you look at the next number, well its 3 right? yeah, but again, 20 cant be divided into three groups. The next number is 2, and 20 can be divided into 2, so the answer is 2.