document.write( "Question 1088109: A motorboat travels downstream for a distance of 45 miles in 3 hours and makes the return trip in 5 hours. Find the rate of the current in the river and the rate of the motorboat in still water. \n" ); document.write( "
Algebra.Com's Answer #702374 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
Let m be the motorboat, and c be the current. Then:
\n" ); document.write( "m+c=45/3=15
\n" ); document.write( "m-c=45/5=9
\n" ); document.write( "2m=24
\n" ); document.write( "m=12
\n" ); document.write( "c=3
\n" ); document.write( "☺☺☺☺
\n" ); document.write( "
\n" );