SOLUTION: On Jerry's way to work in the morning, he was only able to travel at a reate of 20 mi/h because of trafficw. On his drive home, he averaged 40 mi/h. If his toral travel time was 1

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Question 198203: On Jerry's way to work in the morning, he was only able to travel at a reate of 20 mi/h because of trafficw. On his drive home, he averaged 40 mi/h. If his toral travel time was 1.5 hours, how long did it take him to drive to work?
Answer by arallie(162) About Me  (Show Source):
You can put this solution on YOUR website!
20x-40y=0
x%2By=1.5
y=1.5-x
20x-40%281.5-x%29=0
20x-60%2B40x=0
60x=60
x=1
20%281%29-40y=0
20-40y=0
40y=20
y=.5
(1,.5)
How long did it take him to drive to work? 1 Hour