document.write( "Question 959919: if a boat travels at a speed of 5 kilometres per an hour crosses a river of width 1 kilometre in 15 minutes , then find the speed of the river \n" ); document.write( "
Algebra.Com's Answer #586681 by Alan3354(69443)\"\" \"About 
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if a boat travels at a speed of 5 kilometres per an hour crosses a river of width 1 kilometre in 15 minutes , then find the speed of the river
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\n" ); document.write( "Not clear.
\n" ); document.write( "Calls for assumptions.\r
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