document.write( "Question 1153683: Compare the average score of a student at the beginning of a month and at the end of that month, if at first, it increased by 40%, then decreased by 25%.
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Algebra.Com's Answer #775945 by ikleyn(52847) $\"\"$ $\"About$

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document.write( "If at the beginning of the month the score was \"a\" units, \r\n" );
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document.write( "then at the end of the month it will be   = a*(1+0.40)*(1-0.25) = 1.05a units.\r\n" );
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document.write( "The difference   -  = 0.05a, or 5% of \"a\".\r\n" );
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