In a class of 36 students 26 play football and play 20 long tennis, if 17 play above, many play neither?
Answers
A) 7  B) 8  C) 10  D) 12  E) 14
26 + 20 - 17= 
<gadget id="calculator">26 + 20 - 17</gadget>
<output>29</output>
29   36 - 29= 
<gadget id="calculator">36 - 29</gadget>
<output>7</output>
7 play neither   7nswer is 7
<result>A</result>
In a class of 36 students 26 play football and play 20 long tennis, if 17 play above, many play neither?