5
90 minutes.
90 min
90 of them.
Three hours is 180 minutes. 90 minutes is a half of this.
The angle is 90 degrees.
The answer is: 3 times -30 = -90
90%.
9030% of 300 = .30 * 300 = 90
21 minutes and 20 seconds.
30% of $300 = 30% * 300 = 0.3 * 300 = $90
Thirty yards. There are three feet in a yard, so 90/3=30.
1:30