19 feet by 6 feet because 19feet×6feet=114square feet and you need at least 110 and 114 is more than that but none of the other choices go over 110
The answer to the question is 3x+97
Answer: 15.3 in
Step-by-step explanation:
First, the formula for the volume is: 
If you solve for h,



I = PRT
720 = (1,000)(0.09)(t)
720 = 90(t)
720/90 = t
8 = t or t = 8
I am not sure if it is terms of months or years but 8 is the answer. hope it helps :)
7th person that walked in would be 66 years old