Answer to Question #319646 in Microeconomics for Bea

Question

The BNU1501 online class had 19 students that have joined online. The 4 students dropped out in the first hour of the class. The 9 students joined the class after 2hrs and 15 students dropped out after 2h30ms and 2 joined before the class ends. How many students were left by the time the class ends?

[1] 15

[2] 2

[3] 9

[4] 11

Answer 1

[4] 11