document.write( "Question 927169: traveling with the current a certain boat went 20 km/h. Against the same current it only went 2km/h. Find the speed of the boat in still water and the speed of the current. \n" ); document.write( "
Algebra.Com's Answer #562744 by ewatrrr(24785)\"\" \"About 
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r + c = 20kmph
\n" ); document.write( "r - c = 2kmph
\n" ); document.write( "2r = 22kmph
\n" ); document.write( "r = 11kmph and c = 9kmph \"20-11\"
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