To find the answer of the first one, plug in numbers for x, and see if they make the inequality true. Like, 5, 6, and 7.
For the second one, add 13 to both sides. The answer is 21.
Answer: 700 miles.
Step-by-step explanation:
1. You know that 23% of the total distance of the flight from Albuquerque New Mexico to Austin Texas is 161 miles.
2. Then, keeping that information on mind, you can calculate the total distance of the flight (which you call
) as following:

Solve for
. Then, you obtain that the result is:

Answer:
At Day 27, approximately 50.2% of the population is uninfected and that
means that approximately half of the population has been infected.