Answer:
÷ 
Step-by-step explanation:

Please include the relation(s).
2(7x - 3) = 9
step 1 : distribute thru the parenthesis......14x - 6 = 9
step 2 : add 6 to both sides.......14x = 15
Hello.
Divide 315,530,612 by 3,539,225
Then you get the unit rate or 89
so there is 89 people per square mile<span>
Have a nice day</span>