document.write( "Question 123747: A boat travels at a constant rate of 8 miles per hour in still water. It travels upstream for 3/4 of an hour. It then turns around and travels downstream, returning to the starting point, in 1/2 of an hour. Find the rate of the current.\r
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document.write( "What's the answer and how do you solve it. This is driving me crazy! :-D Please Help \n" );
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Algebra.Com's Answer #90812 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! rate times time equals distance __ the distances are the same \r \n" ); document.write( "\n" ); document.write( "let x=current __ (8-x)(3/4)=(8+x)(1/2) \r \n" ); document.write( "\n" ); document.write( "multiplying by 4 to clear fractions __ 24-3x=16+2x \r \n" ); document.write( "\n" ); document.write( "8=5x \n" ); document.write( " |