Bill is golfing with two friends and can either buy generic golf tees that are packaged by the dozen or the higher quality Aero flight tees that come by the pair. What is the minimum number of packages of Aero flight tees Bill must purchase to ensure that he has at least 10 golf tees for each member of his foursome, if he will buy no more than 1 packages of the generic golf tees? Choose the correct choice from the following options: A) 16 B) 10 C) 9 D) 4 E) 2
At least 10 golf tees for each member of his threesome = total of at least 3*10= 
<gadget id="calculator">3*10</gadget>
<output>30</output>
30 tees.   1 packages of the generic golf tees, that are packaged by the dozen= 1*12= 
<gadget id="calculator">1*12</gadget>
<output>12</output>
12 tees.   So, Bill must by at least 18 Aero tees. They come by the pair, hence he must by at least 18/2= 
<gadget id="calculator">18/2</gadget>
<output>9</output>
9 packages of Aero flight tees.   Answer: 9.
<result>C</result>
Bill is golfing with two friends and can either buy generic golf tees that are packaged by the dozen or the higher quality Aero flight tees that come by the pair. What is the minimum number of packages of Aero flight tees Bill must purchase to ensure that he has at least 10 golf tees for each member of his foursome, if he will buy no more than 1 packages of the generic golf tees?