SOLUTION: Yoshi's job interview is at 9:30 A.M. The 8-mile bus ride from his apartment to the job site takes 45 minutes, and Yoshi requires 45 minutes to wake up, dress, and get to the bus s

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Question 257529: Yoshi's job interview is at 9:30 A.M. The 8-mile bus ride from his apartment to the job site takes 45 minutes, and Yoshi requires 45 minutes to wake up, dress, and get to the bus stop. What is the latest possible time that Yoshi should set his alarm clock for?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
First, add up the times required to get dressed and ride the bus to get 45+45=90 minutes which is an hour and a half (ie 1 hour and 30 minutes). Now subtract this figure from 9:30 to get
  9:30
- 1:30
-------
  8:00



So the latest that he should get up is 8:00 A.M.