document.write( "Question 252679: The average (arithmetic mean) of a, b, c and d is n. If a + b = 150,
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document.write( "what is c + d ?\r
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document.write( "A) a + b + c B) a + b + n C) 4n – 150 D) 4n + 150 E) 4n – 100 \n" );
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Algebra.Com's Answer #184701 by palanisamy(496)![]() ![]() ![]() You can put this solution on YOUR website! Given, the average (arithmetic mean) of a, b, c and d is n \n" ); document.write( " (a+b+c+d)/4 = n \n" ); document.write( "If a+b = 150, then \n" ); document.write( " (150+c+d) = 4n \n" ); document.write( " c+d = 4n-150 \n" ); document.write( " \n" ); document.write( " |