document.write( "Question 194734: A boat can go 40 miles against the current in the same time it can go 80 miles with the current. If the speed of the current is 2 miles per hour, what is the speed of the boat? \r
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Algebra.Com's Answer #146152 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "If the boat goes twice as far, it must be going twice as fast. So if the speed of the boat in still water is r, then it must be going r - 2 against the 2 mph current, and r + 2 with the current.\r
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\n" ); document.write( "\n" ); document.write( "And since it is going twice as fast with the current as against the current:\r
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\n" ); document.write( "\n" ); document.write( "Just solve for r.\r
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