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OpenStudy (anonymous):
Kyle left town driving east at 30 mph. Lisa left 5 hours later driving the same route at 45 mph. How many hours after Kyle left will Lisa to catch up to him? Round to the nearest tenth if necessary.
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OpenStudy (anonymous):
30(x+5) = 45x 30x+150 = 45x 150=15x x=10, where x is the elapsed time in hours
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