document.write( "Question 52500: Junior's boat will go 15 miles per hour in still water. If he can go 12 miles downstream in the same amount of time as it takes to go 9 miles upstream, then what is the speed of the current? \n" ); document.write( "
Algebra.Com's Answer #35046 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! 9/15 = time = 0.6 hours \n" ); document.write( "12/x = 0.6 rate in current \n" ); document.write( "12 = 0.6x \n" ); document.write( "20 = x \n" ); document.write( "Rate with Current: 20mph \n" ); document.write( "Rate without Current: 15mph \n" ); document.write( "20 - 15 = 5 \n" ); document.write( "Current's Speed: 5mph \n" ); document.write( " |