Aboat leaves a dock at 7: 00 pm and travels due south at a speed of 20 km/h. another boat has been heading due east at 15 km/h and reaches the same dock at 8: 00 pm. how many minutes after 7: 00 pm were the two boats closest together? (round your answer to the nearest minute.)
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Aboat leaves a dock at 7: 00 pm and travels due south at a speed of 20 km/h. another boat has been h...
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