SOLUTION: Susan avaraged 96 miles per hour on the way to work to make a sales call. On the way home she averaged 84 miles per hour and took her 1 hour longer to drive home than it did to dri

Question 1070183: Susan avaraged 96 miles per hour on the way to work to make a sales call. On the way home she averaged 84 miles per hour and took her 1 hour longer to drive home than it did to drive to work. What was the total driving time for susan's trip?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Susan avaraged 96 miles per hour on the way to work to make a sales call. On the way home she averaged 84 miles per hour and took her 1 hour longer to drive home than it did to drive to work. What was the total driving time for susan's trip?
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d = r*t
d = 96t = 84*(t+1)
96t = 84t + 84
12t = 84
t = 7 hours at 96 mi/hr = 8 hours at 84 mi/hr
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total time = 15 hours

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