document.write( "Question 1026400: Hello i need you to help me with this problem, A boat traveled 21 miles upstream on a river in 7 hours. The return trip took the boat 3 hours. What is the rate of the current, in miles per hour? \n" ); document.write( "

Algebra.Com's Answer #641637 by ikleyn(52835) $\"\"$ $\"About$

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\n" ); document.write( "Hello i need you to help me with this problem, A boat traveled 21 miles upstream on a river in 7 hours.
\n" ); document.write( "The return trip took the boat 3 hours. What is the rate of the current, in miles per hour?
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document.write( "It is a typical Wind and Current word problem.\r\n" );
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document.write( "See the lesson More problems on upstream and downstream round trips in this site, Problem 1.\r\n" );
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document.write( "This problem is very similar to yours.\r\n" );
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document.write( "In that lesson you will find the detailed solution. \r\n" );
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document.write( "Consider it as a sample. Read it attentively.\r\n" );
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document.write( "Then solve your problem by substituting your data.\r\n" );
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document.write( "In this way you will learn how to solve similar problems once and for all.\r\n" );
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