Question
Asked Nov 12, 2019
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A cruise ship can sail 30 mph in calm water. Sailing with the Gulf Stream, the ship can sail 216 mi in the same amount of time it takes to sail 144 mi against the Gulf Stream. Find the rate of the Gulf Stream.
mph

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Expert Answer

Step 1

Let us assume the rate of gulf stream be x,

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rate of gulf stream = x mph rate of ship with gulf stream = x +30mph rate of ship against gulf stream 30-xmph

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Step 2

The ship can go with stream and against stream are

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distance covered by ship with gulf stream 216mi distance covered by ship against gulf stream = 144mi

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Step 3

The distance & time f...

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distance time = speed

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