Homework Help: algebra

Posted by shelby on Thursday, January 27, 2011 at 9:43pm.

a motorboat can maintain a constant speed of 11 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 21 minutes; the return trip takes 1 minutes. That is the speed of the current?

algebra - Reiny, Thursday, January 27, 2011 at 9:54pm
PsyDAG answered the same question here

http://www.jiskha.com/display.cgi?id=1276112108

Just change the numbers to fit your problem.

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