Sarah wants to arrive at her friend's wedding at 3:00 PM. The distance from Sarah's house to the wedding is 90 miles. Based on usual traffic patterns, Sarah predicts she can drive the first 15 miles at 60 miles per hour the next 10 miles at 30 miles per hour, and the remainder of the drive at 65 miles per hour
(a) How many minutes will it take
Sarah to drive the first 15 miles?
min
(b) How many minutes will it take Sarah to drive the next 10 miles?
min
(c) How many hours will it take Sarah to drive the rest of the trip?
hr
(d) What time should Sarah leave her house?
PM