200 pupil total,out of 125 like pizza,115 like burger, then how many like both?
Choose the correct choice from the following:	A) 40	B) 50	C) 60	D) 70	E) 80
n(A U B)=n(A) + n(B) - n(A INTERSECTION B)   200 = 125 + 115 - BOTH   BOTH = 240 - 200= 
<gadget id="calculator">240 - 200</gadget>
<output>40</output>
40.   40NSWER:40
<result>A</result>
200 pupil total,out of 125 like pizza,115 like burger, then how many like both?