document.write( "Question 603728: 240 people running a race 160 of them  have on white shirts 130 of them have on white shorts 68 of them have on neither how many have on both? \n" ); document.write( "
Algebra.Com's Answer #380815 by alicealc(293)\"\" \"About 
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Assume that number of people have both white shirts and white shorts are x\r
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\n" ); document.write( "\n" ); document.write( "160 - x + 130 - x + x + 68 = 240
\n" ); document.write( "358 - x = 240
\n" ); document.write( "358 - 240 = x
\n" ); document.write( "118 = x\r
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\n" ); document.write( "\n" ); document.write( "so, there are 118 people have both white shirts and white shorts
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