document.write( "Question 262699: in a class, except 18 all are above 50 years.15 are below 50 years of age. How many people are there ?\r
\n" ); document.write( "\n" ); document.write( "(a) 30 (b) 33 (c) 36 (d) none of these.
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Algebra.Com's Answer #193625 by ankor@dixie-net.com(22740)\"\" \"About 
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in a class, except 18, all are above 50 years.
\n" ); document.write( "15 are below 50 years of age.
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\n" ); document.write( "From what this says, there are 3 who are exactly 50
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\n" ); document.write( "If x = no. over 50
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\n" ); document.write( "total = x + 18; that's all we can say; answer is d\r
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