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It's an optimisation question. 6) Tom is getting ready to leave his house at 10am. At this current time, Sam is 100 km south of

It's an optimisation question.

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6) Tom is getting ready to leave his house at 10am. At this current time, Sam is 100 km south of Tom's house. If Tom leaves and moves at 5 km/h East, and Sam is moving towards Tom's house at 8 km/h, find the time at which Tom and Sam are the closest. Assume that both end their trip after 6pm

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