There are 5 identical pens and 8 identical books. In how many different ways can a person select at least one object from this set?	Choices:
A) 27 B) 35 C) 41 D) 47 E) 53
We can select from 0 to 5 pens and from 0 to 8 books.   Thus the total possible ways to select objects is   6*9= 
<gadget id="calculator">  6*9</gadget>
<output>54</output>
54   We must subtract 1 for the case with 0 pens and 0 books.   The answer is 53.
<result>E</result>
There are 5 identical pens and 8 identical books. In how many different ways can a person select at least one object from this set?