The numbers of pizza slices that are sold in Joey's Pizza are only in quantities of 2 and 4 slices per customer. How many slices cannot be bought? Select the correct option:
A) 42.	B) 38.	C) 33.	D) 22.	E) 20.
Let X pizzas of 2 slices and Y pizzas of 4 slices.   2X + 4Y.   Lets check options wise.   A. 42 =&gt; 2(15) + 4(3)   B. 38 =&gt; 2(15) + 4(2)   C. 33 = we can't write anything with 5 and 8 series..Lets try 2(15) + 4(3) = 32 , 2(16) + 4(3) = 34 , nothing works out.   D. 22 =&gt; 2(10) + 4(3)   E. 20 =&gt; 2(6) + 4(2)   Answer: correct option is 33.
<result>C</result>
The numbers of pizza slices that are sold in Joey's Pizza are only in quantities of 2 and 4 slices per customer. How many slices cannot be bought?