SOLUTION: duane drove 265 miles in 5 hours. part if his trip was on the highway at 55 mph. the rest was in town at 35 mph. how long did he drive in town?

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Question 1059012: duane drove 265 miles in 5 hours. part if his trip was on the highway at 55 mph. the rest was in town at 35 mph. how long did he drive in town?
Answer by Alan3354(69443) About Me  (Show Source):
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duane drove 265 miles in 5 hours. part if his trip was on the highway at 55 mph. the rest was in town at 35 mph. how long did he drive in town?
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d = r*t
t = d/r
---
h = distance on highway
5 = h/55 + (265-h)/35
1925 = 7h + 11*(265-h) = -4h + 2915
4h = 990
h = 247.5 miles on the highway
--> 17.5 miles in town
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17.5/35 = 0.5 hours in town