document.write( "Question 811969: Can you help me figure out this problem? \"A motorboat travels at 4 miles per hour in still water. It goes 12 miles upstream and 12 miles back again in a total of 8 hours. Find the speed of the current of the river.\" \n" ); document.write( "
Algebra.Com's Answer #488977 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x+y=8,
\n" ); document.write( "(4+c)*x=12,
\n" ); document.write( "(4-c)*y=12\r
\n" ); document.write( "\n" ); document.write( "c = 2, x = 2, y = 6
\n" ); document.write( "C is speed of the current
\n" ); document.write( " x and y are times taken
\n" ); document.write( " x downstream with the current and y upstream against the current
\n" ); document.write( "
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