document.write( "Question 251775: When Elvis swims with the current, he swims 18km in 2 hours. Against the current, he can swim only 14km in the same time. How fast can Elvis swim in still water and what is the rate of the current? \n" ); document.write( "
Algebra.Com's Answer #183447 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! d*2=18 km \n" ); document.write( "u*2=14 km \n" ); document.write( "d=9 \n" ); document.write( "u=7 \n" ); document.write( "9-7=2 \n" ); document.write( "2/2=1 \n" ); document.write( "Current is 1 kmph \n" ); document.write( "Elvis can swim 8 kmph in still water \n" ); document.write( "(8+1)*2=18 \n" ); document.write( "9*2=18 \n" ); document.write( "(8-1)*2=14 \n" ); document.write( "7*2=14\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |