10 people get on an empty bus. At the next stop, 5 people get off and twice as many people get on as at the 1st stop. At the 3rd stop, 25 get off. How many people are on the bus?
0
10
1
25
What country has the most tornadoes?
Diana is sixteen years old, and she is four times older than her younger brother. How old will the girl be when she is two times older than her younger brother?