document.write( "Question 890295: If Miguel can run 10 km in 15 minutes and Harry can run 10 km in 20 minutes, How many kilometers can they run in 5 minutes?\r
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document.write( "Please help me to solve this. It's Rational Algebraic Expression.
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Algebra.Com's Answer #538883 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! this is a rate times time = distance problem \n" ); document.write( "let r1 be Miguel's rate, then \n" ); document.write( "r1 * 15 = 10 \n" ); document.write( "r1 = 10/15 = 2/3 km per minute \n" ); document.write( "let r2 be Harry's rate \n" ); document.write( "r2 * 20 = 10 \n" ); document.write( "r2 = 10/20 = 1/2 km per minute \n" ); document.write( "therefore \n" ); document.write( "Miguel can run 2/3 * 5 = 3.33 km \n" ); document.write( "Harry can run 1/2 * 5 = 2.5 km \n" ); document.write( " \n" ); document.write( " |