document.write( "Question 165404: I am not sure if I picked the right catagory but I am having a hard time with on algebra word problem.
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document.write( "If the formula R = -0.037t + 50.1 can be used to predict the world record in the 400 - meter dash t years after 1925, for what years will the world records be 47.6 seconds or less?\r
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document.write( "If you could help me with this I would SO appreciate it!
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document.write( "Jen \n" );
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Algebra.Com's Answer #121914 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If the formula R = -0.037t + 50.1 can be used to predict the world record in the 400 - meter dash t years after 1925, for what years will the world records be 47.6 seconds or less? \n" ); document.write( "---------------------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "47.6 >= -0.037t + 50.1 \n" ); document.write( "-0.037t <= 47.6-50.1 \n" ); document.write( "-0.037t <= -2.5 \n" ); document.write( "t >= 67.567 \n" ); document.write( "-------------- \n" ); document.write( "Year? \n" ); document.write( "year >= 1925+67.567 >= 1993 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |