On a recent road trip, it took Kelly 4 hours and 45 minutes to travel 266 miles. What was Kelly's average speed for the road trip?
A) 5miles per hour
B) 1264miles per hour
C) 60miles per hour
D) 56miles per hour

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?