The answer is 3. 20/2=10 10-7=3
We can seperate (3b³) into two different parts, the constant and the variable.
The constant (3) and the variable (b) can both be squared and multiplied to get the correct answer, so:
3² = 9
(b³)² = 
So, 
The number of rows of beans that are in the garden is 24 rows.
<h3>How many rows of beans are in the garden?</h3>
The first step is to convert feet to inches.
1 feet = 12 inches
30 x 12 = 360 inches
The second step is to divide 360 inches by 15 inches: 360 / 15 = 24 rows
To learn more about division, please check: brainly.com/question/194007
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