Of the 65 cars on a car lot, 45 have air-bag, 30 have power windows, and 12 have both air-bag and power windows. How many of the cars on the lot have neither air-bag nor power windows?	Choices: A) 8 B) 2 C) 10 D) 15 E) 18
Total -Neither = All Air bag + All Power Windows - Both   or 65 - Neither = 45 + 30 -12= 
<gadget id="calculator">45 + 30 -12</gadget>
<output>63</output>
63.=&gt; Neither = 2, hence B.   Answer : 2
<result>B</result>
Of the 65 cars on a car lot, 45 have air-bag, 30 have power windows, and 12 have both air-bag and power windows. How many of the cars on the lot have neither air-bag nor power windows?