Question 1197605
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Hi  
Total distance traveled = 220mi in a total of 5hr
D = rt
50t + 40(5-t) = 220mi
 10t = 20
t = 2hr, time traveled at 50mph
  5hr - 2hr = 3hr traveling at 40mph
 checking:
 100mi + 120mi = 220mi  checks
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