A number of 47 marbles is to be divided and contain with boxes. If each box is to contain 3, 4, or 5 marbles, what is the largest possible number of boxes?  Choose the correct choice from the following.
A) 10
B) 12
C) 15
D) 16
E) 17
To maximize # of boxes we should minimize marbles per box: 14*3+1*5= 
<gadget id="calculator">14*3+1*5</gadget>
<output>47</output>
47 --&gt; 14+1=15.   Answer: 15.
<result>C</result>
A number of 47 marbles is to be divided and contain with boxes. If each box is to contain 3, 4, or 5 marbles, what is the largest possible number of boxes?