Answer: [tex]9\ rows[/tex]
Step-by-step explanation:
The first step to solve the exercise is to find the Greatest Common Factor (GCF) between 27, 45, 108 and 126.
You can follow these steps in order to find the GCF:
1. You must decompose 27, 45, 108 and 126into their prime factors:
[tex]27=3*3*3=3^3\\\\45=3*3*5=3^2*5\\\\108=2*2*3*3*3=2^2*3^3\\\\126=2*3*3*7=2*3^2*7[/tex]
2. You must multiply the commons with the lowest exponents. Then:
[tex]GCF=3^2\\\\GCF=9[/tex]
Therefore, the greatest number of rows that the gardener can make if he uses all the plants is:
[tex]9\ rows[/tex]