Problem:
Walter gets up at a.m., catches the school bus at a.m., has classes that last minutes each, has minutes for lunch, and has hours additional time at school. He takes the bus home and arrives at p.m. How many minutes has he spent on the bus?
Answer Choices:
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E.
Solution:
Walter is gone from a.m. until p.m., a total of hours and minutes. He is in class for or , at lunch for , and has hours additional time. His total time at school is and , so he was on the bus for hour or minutes.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions