Li Na is going to plant 63 tomato plants and 81 soy bean plants. Li Na would like to plant the plants in rows where each row has the same number of tomato plants and each row has the same number of soy bean plants. What is the greatest number of rows Li Na can plant? (1 point) Responses 27 27 21 21 3 3 9
In order to find the greatest number of rows Li Na can plant, we need to find the greatest common divisor (GCD) of 63 and 81.
The prime factorization of 63 is 3 * 3 * 7.
The prime factorization of 81 is 3 * 3 * 3 * 3.
We can see that the GCD of 63 and 81 is 3 * 3 = 9.
Therefore, the greatest number of rows Li Na can plant is 9.