1. If the question specifies how many answer choices to select, select exactly that number of choices. If the question does not specify how many answer choices to select, select all that apply.
Fifteen buoys, numbered 1 to 15, are positioned equidistantly along a straight path for a sailboat race. The race begins at buoy 1, and 45 minutes into the race the fastest boat reaches buoy 10. At the same average speed, how many minutes will it take the boat to race from buoy 10 to buoy 15?
- 145

- 232.5

- 325

- 422.5
