Answer:
c. 3680
Step-by-step explanation:
In 2010, the population was 8000.
In 2014, it increased by 15%.
Population in 2014 :
= 8000 + 15/100×8000
= 8000 + 1200
= 9200.
Now, 2/5 of the population was age 12 or under.
= 2/5 × 9200
= 2×1840
= 3680
Answer - c) 3680
Hey there!
The key word in there is Many more. Whenever you see that word, it usually means to subtract
So you would subtract 4.5 from 8.1
8.1
-4.5= 3.6