Answer:
9 lol
Step-by-step explanation:
sun of 4 and 5 is 9
difference between 8 and 7 is 9
multiply 9 by 1
1100/2
=550
because 100% is 500 and 100% is last year's population
4 ÷ 5 = 2/5
5 ÷ 4 = 1 1/4
12 ÷ 30 = 2/5
30 ÷ 12 = 2 1/2
23F
