SOLUTION: Michael drove to a friends house at 40mph. He returned by the same route at 45mph. THe driving time for the round trip was 4 hours. What is the distance Michael traveled?
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Question 486959: Michael drove to a friends house at 40mph. He returned by the same route at 45mph. THe driving time for the round trip was 4 hours. What is the distance Michael traveled?
Answer by John10(297) (Show Source): You can put this solution on YOUR website!
Apply the formula Time = Distance/ speed
At the same distance D:
D/40 + D/45 = 4
9D + 8D = 1440
17D = 1440
D = 1440/17
D = 84.7 miles
John10:)
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