document.write( "Question 818576: i know how to do the math, i just need help setting up the equation and how to set up variables.\r
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document.write( "it takes a plane 40 min longer to fly from boston to los angeles at 525 mi/h than it does to return at 600 mi/h. how far apart are the cities? \n" );
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Algebra.Com's Answer #492638 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! s = d / t \n" ); document.write( "d = s * t \n" ); document.write( "--- \n" ); document.write( "return time: T hours \n" ); document.write( "--- \n" ); document.write( "outbound: \n" ); document.write( "D = 525(T + 40/60) \n" ); document.write( "--- \n" ); document.write( "return: \n" ); document.write( "D = 600T \n" ); document.write( "--- \n" ); document.write( "525(T + 40/60) = 600T \n" ); document.write( "525T + 525(2/3) = 600T \n" ); document.write( "75T = 350 \n" ); document.write( "T = 14/3 \n" ); document.write( "--- \n" ); document.write( "D = 600T \n" ); document.write( "D = 600(14/3) \n" ); document.write( "D = 2800 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "2800 miles \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( " |