document.write( "Question 818575: i need help setting up this equation for rate, time, and distance. \r
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document.write( "at 7:00am joe starts jogging at 6 mi/h. at 7:10am ken starts off after him. how fast must ken run in order to overtake him at 7:30am ? \r
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document.write( "thank you \n" );
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Algebra.Com's Answer #492634 by TimothyLamb(4379) You can put this solution on YOUR website! at the overtake: \n" ); document.write( "both runners have traveled distance: D \n" ); document.write( "overtake time: 7:30 - 7:00 = 30/60 = (1/2) hour \n" ); document.write( "Joe's time: T = 1/2 hour \n" ); document.write( "Ken's time: (T - 10/60) = (1/2 - 1/6) = (6/12 - 2/12) = (4/12) = (1/3) hour \n" ); document.write( "--- \n" ); document.write( "s = d / t \n" ); document.write( "d = s * t \n" ); document.write( "--- \n" ); document.write( "joe: \n" ); document.write( "D = 6(1/2) = 3 \n" ); document.write( "D = 3 miles \n" ); document.write( "--- \n" ); document.write( "ken: \n" ); document.write( "D = s(1/3) \n" ); document.write( "--- \n" ); document.write( "D = 3 = s(1/3) \n" ); document.write( "3 = s(1/3) \n" ); document.write( "--- \n" ); document.write( "s = 9 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "ken must run at 9 mph to overtake joe at 7:30 \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( " |