document.write( "Question 456093: The speed of a stream is 4 miles per hour. If a boat travels 46 miles downstream in the same amount of time it takes to travel 123 miles upstream, what is the speed of the boat in still water? \n" ); document.write( "
Algebra.Com's Answer #313088 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! r*t=d\r \n" ); document.write( "\n" ); document.write( "I think you have up and downstream reversed \n" ); document.write( "downstream is with the current \n" ); document.write( "but it can't be. \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( "(r-4)*t=46 \n" ); document.write( "(r+4)*t=123 \n" ); document.write( "r = 676/77, t = 77/8 \n" ); document.write( "r=8.77922, t=9.625 \n" ); document.write( " |