aging due to decreased death rates.
B. Mixed system
I'm not entirely sure though!
Ajá……………………………………………………..
Answer: 1. 48/12 L or 4 L
Explanation:
12 would be the common denominator of all of those fractions, so you get them all with a common denominator, add them together, divide by the amount of people and you get both of your answers.
The anser us d i think becase