Problema Solution
peter had a noon appointment 60 miles from his home. He drove from his home at an average speed of 40 miles per hour, and arrived 15 minutes later. At what time did peter leave for the appointment?
Answer provided by our tutors
We will use the general equation d=rt (distance=rate*time) where:
d=60
r=40
60=40t
Therefore, the amount of time that it took Peter to drive to his appointment (in hours) is:
t=1.5 hours
His appointment was at noon and he arrived at 12:15 (.25 hours late). Therefore, if we subtract 1.5hours from 12:15, we will get the time at which peter left his house:
12:15 - 1.5 hours=10:45am