Answer:
There are 4 people in Table A.
Step-by-step explanation:
Let the number of people at Table A be x and the number of people in Table B be x + 2.
[tex]\frac{72}{x}[/tex] = [tex]\frac{108}{x+2}[/tex]
72(x+2) = 108x
72x + 144 = 108x
144 = 108x - 72x
36x = 144
x = 144 ÷ 36
x = 4