In the parking lot there are 34 vehicles, 19 of them are buses, and the rest are cars. The color of 17 vehicles is red, of which 12 are buses. How many cars can be found in the parking lot which are not colored red?
Answers:
A) 9 B) 10 C) 11 D) 12 E) 13
The number of cars is 34-19= 
<gadget id="calculator">34-19</gadget>
<output>15</output>
15.   The number of red cars is   17-12= 
<gadget id="calculator">  17-12</gadget>
<output>5</output>
5.   The number of cars which are not red is  15-5= 
<gadget id="calculator"> 15-5</gadget>
<output>10</output>
10.   The answer is 10.
<result>B</result>
In the parking lot there are 34 vehicles, 19 of them are buses, and the rest are cars. The color of 17 vehicles is red, of which 12 are buses. How many cars can be found in the parking lot which are not colored red?