math question
posted by sherri .
Bob Rodriquez, the Albany, NY sales representative for Advanced Drafting Software, Inc., must attend the regional sales meeting in New York City. Unfortunately, his car is in the shop so he must make other travel arrangements to reach his destinationOne option is to take a train that departs at 8:00 A.M. Alternatively, he could ride to the meeting with another sales rep.Bob has an important presentation to deliver at the meeting and needs to arrive as early as possible. He knows that the train travels at 80 miles per hour, but has a 30 – minute layover halfway through the 156mile trip. He also knows that his friend cannot depart before 8:00 A.M. and will adamantly refuse to drive any faster than 55 miles per hourIf both methods of transportation leave at the same time (8:00 A.M.), will the train or the car allow him to reach the regional sales meeting sooner?

The train plus the layover will take about 2 1/2 hours.
156/80 = 1.95 or 2 hours
2 hours + 1/2 hour = 2 1/2 hours
The car will take almost 3 hours.
156/55 = 2.8
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