document.write( "Question 1132201: At a local surf shop during the Xmas rush, there was a 55% increase in the number of shirts sold last week.
\n" ); document.write( "If there was an extra 154 shirts sold last week, how many shirts were actually sold for this week of xmas trading? \n" ); document.write( "

Algebra.Com's Answer #749156 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "The condition explicitly says that\r\n" );
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document.write( "    154 = 0.55*X,\r\n" );
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document.write( "where X is the number of shirts sold (the week) before increase.\r\n" );
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document.write( "So,  X =  = 280.\r\n" );
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document.write( "Then the number of shirts sold for this week of Xmas trading is\r\n" );
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document.write( "    280*1.55 = 434.\r\n" );
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document.write( "CHECK.   = 55%.\r\n" );
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