document.write( "Question 301401: A motorboat takes 3 hours to travel 144 mi going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current? \n" ); document.write( "
Algebra.Com's Answer #216175 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (m-c)*3=144 \n" ); document.write( "(m+c)*2=144 \n" ); document.write( "(m-c)*3=(m+c)*2 \n" ); document.write( "3m-3c=2m+2c \n" ); document.write( "m=5c \n" ); document.write( "(5c-c)*3=144 \n" ); document.write( "12c=144 \n" ); document.write( "c=12\r \n" ); document.write( "\n" ); document.write( "(5c+c)*2=144 \n" ); document.write( "12c=144 \n" ); document.write( "c=12 \n" ); document.write( "(m+12)*2=144 \n" ); document.write( "2m+24=144 \n" ); document.write( "2m=120 \n" ); document.write( "m=60 \n" ); document.write( "c=12 \n" ); document.write( " \n" ); document.write( " |