Homework Help: Math

Posted by Thad on Wednesday, November 23, 2011 at 2:32pm.

Wong's left at 7:00. It took him one and a half hours to check in at the airport. His house is an hour drive from the airport. At what time did Wong leave his house to get to the airport?

Math - Lee, Wednesday, November 23, 2011 at 3:44pm
I am assuming it is a plane that left at 7:00.

(7:00)-(1.5 hrs check-in)-(1hr drive from house)=4:30

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