document.write( "Question 184429: If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food?\r
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document.write( "I came up with 75. \n" );
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Algebra.Com's Answer #138429 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? \n" ); document.write( "I came up with 75. \n" ); document.write( "---------------- \n" ); document.write( "4:5 is the same as 4x:5x where 4x is the number that prefer fast food. \n" ); document.write( "--------------- \n" ); document.write( "4x + 5x = 445 \n" ); document.write( "9x = 445 \n" ); document.write( "x = 49.44444 \n" ); document.write( "------------------ \n" ); document.write( "Then 4x = 197.78 \n" ); document.write( "Rounding donw: 197 or the 445 preferred fast food. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |