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?
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document.write( "Having a really hard time setting up a solvable equation, could you help solve. \n" );
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Algebra.Com's Answer #560771 by TimothyLamb(4379)![]() ![]() 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 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |