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Mathematics, 22.07.2019 11:00 xaguilar

After sailing 12 mi, a sailor changed direction and increased the boat's speed by 4 mph. an additional 18 mi was sailed at the increased speed. the total sailing time was 3 h. find the rate of the boat for the first 12 mi.

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After sailing 12 mi, a sailor changed direction and increased the boat's speed by 4 mph. an addition...
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