document.write( "Question 817152: 2 runners going in opposite directions pass each other along a straight trail. The speed of the faster runner is 1 1/4 times that of the slower runner. In one hour they are 18 kilometers apart. Find the rate of each runner. \r
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Algebra.Com's Answer #491898 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! a + b = 18 km / 1 hr = 18 kph \n" ); document.write( "--- \n" ); document.write( "b = 1.25a \n" ); document.write( "--- \n" ); document.write( "a + b = 18 \n" ); document.write( "a + 1.25a = 18 \n" ); document.write( "2.25a = 18 \n" ); document.write( "a = 18/2.25 \n" ); document.write( "--- \n" ); document.write( "a = 8 kph \n" ); document.write( "b = 10 kph \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( " |