if QRST is indeed a quadrilateral, then, Check the picture below.
Answer:
6.2
Step-by-step explanation:
You can find the median by adding up all of the numbers and dividing the result by how many numbers there are.
add them all together: 5 + 6 +5+6+9 = 31
there are five people, so divided 31 by 5
31 divided by 5 = 6.2
6.2
You can subtract the populations to see by how many more people/citizens does country B have