Mark and Ann together were allocated n boxes of cookies to sell for a club project. Mark sold 11 boxes less than n and Ann sold 2 boxes less than n. If Mark and Ann have each sold at least one box of cookies, but together they have sold less than n boxes, what is the value of n?	Choose one:
A) 10
B) 11
C) 12
D) 13
E) 14
if n =12   mark sold 1 box   and Ann sold 10 boxes   total 11 &lt; 12   Answer:12
<result>C</result>
Mark and Ann together were allocated n boxes of cookies to sell for a club project. Mark sold 11 boxes less than n and Ann sold 2 boxes less than n. If Mark and Ann have each sold at least one box of cookies, but together they have sold less than n boxes, what is the value of n?