Step-by-step explanation:
I'll do it but what is it about
Total population of US is 234.88 million.
Step-by-step explanation:
Given,
Number of people are 65 or older = 30.3 million
This represents 12.9% of total population.
Let,
x represent the total population.
12.9% of x = 30.3 million

Dividing both sides by 0.129x

Total population of US is 234.88 million.
Keywords: percentage, division
Learn more about percentage at:
#LearnwithBrainly
Answer:
A
Step-by-step explanation:
it goes down by 9 and left by 3
Answer: 3n ×9
Step-by-step explanation:
The product of 3 times a N number equals 3n or 3 ×N but you should write 3n then times it by 9