Sam, Ted, and Bill are going fishing. Bill is driving, and he will pick up Sam first and then pick up Ted. It takes 15 minutes for Bill to get to Sam's house, and twice that long to get from Sam's house to Ted's house. If Bill leaves his house at 9:00 a.m., when will he get to Ted's house? A. 9:15 a.m. B. 9:30 a.m. C. 9:45 a.m. D. 9:55 a.m.
