document.write( "Question 293228: The difference between 75% of a number and 20% of the same number is 378.4 What is 40% of that number?\r
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document.write( "(1) 275.2 (2) 274 (3) 267.2 (4) 266 (5) None of these
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Algebra.Com's Answer #211685 by stanbon(75887) ![]() You can put this solution on YOUR website! The difference between 75% of a number and 20% of the same number is 378.4 What is 40% of that number? \n" ); document.write( "--- \n" ); document.write( "Let the number be \"x\". \n" ); document.write( "Equation: \n" ); document.write( "0.75x-0.20x = 378.4 \n" ); document.write( "0.55x = 378.4 \n" ); document.write( "x = 688 \n" ); document.write( "------------- \n" ); document.write( "Then 0.40*688 = 275.2 \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================ \n" ); document.write( " \n" ); document.write( "(1) 275.2 (2) 274 (3) 267.2 (4) 266 (5) None of these \n" ); document.write( " \n" ); document.write( " |