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Mathematics 17 Online
OpenStudy (anonymous):

Two cars were traveling in the same direction on the same course. The first car was traveling 65mph and the second car was traveling 55mph. After how long were the two cars 45 miles apart?

OpenStudy (anonymous):

OpenStudy (anonymous):

Let t be the elapsed time for a 45 mile separation. Solve the following for t.\[65 t-55 t=45 \] t = 9/2 = 4.5 hours

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