document.write( "Question 278828: Uniform Motion: Matthew was 1200 yards ahead when Lowe began his pursuit. If lowe ran 3 times as fast as Matthew and overtook him in 30 minutes, how fast did each boy run?\r
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document.write( "RlTl + 1200 = RmTm Rl=3*Rm Tm=30 Tl=30
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document.write( "3*Rm * 30 +1200 = Rm * 30\r
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document.write( "I am getting this wrong. Answer is 20 and 60 yards per minute. Help, please. \n" );
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Algebra.Com's Answer #202853 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! look at your initial equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "rate times times equals distance ___ when Lowe overtakes Matthew, the distances are equal \n" ); document.write( "___ but the time (30 min) starts when Matthew has a 1200 yd head start \n" ); document.write( "___ to \"equalize\" the distances, the 1200 is added to Matthew, not Lowe\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "RlTl = RmTm + 1200\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Rl = 3Rm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ 3Rm * 30 = Rm * 30 + 1200 ___ 60 Rm = 1200 ___ Rm = 20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Rl = 3(20) = 60 \n" ); document.write( " |