document.write( "Question 924335: Michael swam 4 kilometers against the current in the same amount of time it took him to swim 16 kilometers with the current. The rate of the current was 3 kilometers per hour. How fast would Michael swim if there were no current?
\n" ); document.write( "Having a really hard time setting up a solvable equation, could you help solve.
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Algebra.Com's Answer #560771 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
x = mike speed
\n" ); document.write( "y = current speed = 3 kph
\n" ); document.write( "---
\n" ); document.write( "up stream:
\n" ); document.write( "x - y = 4/t
\n" ); document.write( "x = 4/t + y
\n" ); document.write( "---
\n" ); document.write( "down stream:
\n" ); document.write( "x + y = 16/t
\n" ); document.write( "x = 16/t - y
\n" ); document.write( "---
\n" ); document.write( "x = 4/t + y
\n" ); document.write( "x = 16/t - y
\n" ); document.write( "4/t + y = 16/t - y
\n" ); document.write( "2y = 12/t
\n" ); document.write( "y = 6/t
\n" ); document.write( "---
\n" ); document.write( "y = 3
\n" ); document.write( "y = 6/t
\n" ); document.write( "3 = 6/t
\n" ); document.write( "t = 2
\n" ); document.write( "---
\n" ); document.write( "x = 4/t + y
\n" ); document.write( "x = 4/t + 3
\n" ); document.write( "x = 4/2 + 3
\n" ); document.write( "x = 2 + 3
\n" ); document.write( "---
\n" ); document.write( "answer:
\n" ); document.write( "x = 5 mph
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Convert fractions, decimals, and percents:
\n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php
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\n" ); document.write( "Calculate and graph the linear regression of any data set:
\n" ); document.write( "https://sooeet.com/math/linear-regression.php
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