document.write( "Question 841343: If the avgrage of A&B equals 30 and C&D equals 20
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document.write( "Then\r
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document.write( "The avg of B&C must be greater than 25 (T/F)..???
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document.write( "else
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document.write( "The avg of A&D must be lesser than 20 (T/F)..??? \n" );
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Algebra.Com's Answer #506819 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If the avgrage of A&B equals 30 and C&D equals 20 \n" ); document.write( "------ \n" ); document.write( "Since (A+B)/2 = 30, A+B = 60 \n" ); document.write( "Since (C+D)/2 = 20, C+D = 80 \n" ); document.write( "-------------------------------------- \n" ); document.write( "Then \n" ); document.write( "The avg of B&C must be greater than 25 (T/F)..??? \n" ); document.write( "False: B & C could both be 1 \n" ); document.write( "-------------------------------- \n" ); document.write( "else \n" ); document.write( "The avg of A&D must be less than 20 (T/F)..??? \n" ); document.write( "False: If B and C are both 1, A+D = 138 and their \n" ); document.write( "average would be 69 \n" ); document.write( "==== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |