document.write( "Question 1151151: in a recent survay of 400 students in a school 100 were listed as smokers and 150 as chewers of gum,75 were disted as both smokers and and gum chewers. find out how many non gum chewers\r
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Algebra.Com's Answer #772783 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "From the condition, the number of those who EITHER smoke OR chew is\r\n" );
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document.write( "    100 + 150 - 75 = 175.\r\n" );
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document.write( "The rest, 400-175 = 225, are NEITHER smokers NOR gum chewers.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "To learn the subject better, read the lesson\r
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