document.write( "Question 269014: In two hours a boat is rowed downstream 4 miles and back again. If the speed of the stream is 1.5 kts what is that of the boat? \n" ); document.write( "
Algebra.Com's Answer #197263 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! [4 / (b + 1.5)] + [4 / (b - 1.5)] = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4b - 6 + 4b + 6 = 2 (b^2 - 2.25)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = b^2 - 4b - 2.25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "use quadratic formula to find b\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "miles and kts are NOT in the same units \n" ); document.write( "___ this solution does not contain a correction for the difference \n" ); document.write( " |