Posted by Duce on Thursday, April 14, 2011 at 3:52pm.
There are 30 students in a math class. 12 belongs to the computer club and 8 belongs to the photograph club. three belongs to both. how many belongs to neither???

Math  Brooke, Thursday, April 14, 2011 at 4:17pm
The answer is 7 12+8+3= 23 so 3023 is 7
At least this sounds right to me! Hope this works out for you.