Of the 55 cars on a car lot, 40 have air-conditioning, 25 have power windows, and 12 have both air-conditioning and power windows. How many of the cars on the lot have neither air-conditioning nor power windows? Pick one:
A) 15 B) 8 C) 10 D) 2 E) 18
Total -Neither = All Air Conditioning + All Power Windows - Both   or 55 - Neither = 40 + 25 -12= 
<gadget id="calculator">40 + 25 -12</gadget>
<output>53</output>
53.=&gt; Neither = 2, hence D.   Answer : 2
<result>D</result>
Of the 55 cars on a car lot, 40 have air-conditioning, 25 have power windows, and 12 have both air-conditioning and power windows. How many of the cars on the lot have neither air-conditioning nor power windows?