document.write( "Question 930571: 1. A motorboat went 70 miles in 4 hours when traveling at full speed upstream on a river whose current flows at the rate of 6 miles per hour. How fast can the boat travel in still water?\r
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Algebra.Com's Answer #565099 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
r - 6mph = 17.6 mph \"+70mi%2F%284hr%29\"
\n" ); document.write( "r = 23.6mph
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\n" ); document.write( "65•3hr = r(5hr)
\n" ); document.write( "65•3/5 = r = 39mph
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