SOLUTION: susan left her home at 7am driving her car at the rate of 45 miles per hour. at 9am, her sister marion drove after her along the same highway, traveling at the rate of 60 miles per
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Question 1035382: susan left her home at 7am driving her car at the rate of 45 miles per hour. at 9am, her sister marion drove after her along the same highway, traveling at the rate of 60 miles per hour. in how many hours did marion pass susan? Answer by FrankM(1040) (Show Source):
You can put this solution on YOUR website! In the 2 hour head start, susan went 90 miles. Marion is now catching up to her at a pace of 15 miles per hour. 90/15 is 6 hours to catch up.
