Step-by-step explanation:
the unit rate of y per x :
9/3 = 18/6 = 27/9 = 36/12
all the results = 3
the right answer is B) 3
The answer to your problem is 360
40g+300 is less than or equal to 5000
g is less than or equal to 117.5
So that is 117 guests max can be invited