Posted by MathLuv on Tuesday, May 3, 2011 at 8:18pm.
There a re 30 students in a math class. Twelve belong to the computer club, and eight belong to the photography club. Three belong to both clubs. How many belong to neither?

Math  MathMate, Tuesday, May 3, 2011 at 8:30pm
There are twelve plus eight minus three who belong to any club.
How many belong to neither, out of thirty?

Math  MathLuv, Tuesday, May 3, 2011 at 8:33pm
12?

Math  MathMate, Tuesday, May 3, 2011 at 11:01pm
Nope, but close!
30(12+83) = ?
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