document.write( "Question 263749: How far upstream can a motorboat travel at 8 mi/hr and still return downstream at 12 mi/hr in a total time of 4 hr?\r
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Algebra.Com's Answer #853994 by MathTherapy(10801) $\"\"$ $\"About$

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document.write( "How far upstream can a motorboat travel at 8 mi/hr and still return downstream at 12 mi/hr in a total time of 4 hr?\r\n" );
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document.write( "Let distance, back and forth, be D\r\n" );
document.write( "Then time taken to travel upstream, is \r\n" );
document.write( "Also, time taken to travel downstream, is \r\n" );
document.write( "We then get the following TOTAL-TIME equation: \r\n" );
document.write( "                                                                                 3D + 2D = 96 ---- Multiplying by LCD, 24 \r\n" );
document.write( "                                                                                          5D = 96\r\n" );
document.write( "                                           Distance, back and forth, or

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