Answer:
4000+50
Step-by-step explanation:
don't know how to explain it this is an edit to btw
Quantity is two numbers multiplied together, judging by the context, the answer is D, insufficient information.
Choice a and b are just numbers.
(27-32)/9*2
-5/9*2
-0.9*2
-1.1 or C. 1
Divide 315,530,612 by 3,539,225 to get 89 people per square mile (rounded)