SOLUTION: A woman drove part of a 185 mi trip at 50 mi/h and the rest at 55 mi/h. Find the distance she traveled at 50 mi/h if her total driving time was 3h and 30 min.
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Question 99813: A woman drove part of a 185 mi trip at 50 mi/h and the rest at 55 mi/h. Find the distance she traveled at 50 mi/h if her total driving time was 3h and 30 min.
Answer by fastblue(13) (Show Source): You can put this solution on YOUR website!
180=(50*x) + (55*(3.5-x))
180 = 50x -55x + 192.5
12.5 = 5x
x = 2.5
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