document.write( "Question 1106302: A boat traveled upstream 10 miles in 1 hour. The return trip took only 30 minutes. Assuming the current speed is constant, what is the current speed?\r
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Algebra.Com's Answer #721255 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"system%28r-c=10%2Cr%2Bc=20%29\"\r
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\n" ); document.write( "\n" ); document.write( "Use Elimination Method.
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