There are 25 balls which are red, blue or green. If 8 balls are blue and the sum of green balls and blue balls is less than 17, at most how many green balls are there? Choices:
A) 8  B) 5  C) 6  D) 7  E) 10
r+g+b=25   b=8   b + g &lt; 17   =&gt; 8 + g &lt; 17   =&gt; g &lt; 9   =&gt; at most 8 green balls   8NSWER:8
<result>A</result>
There are 25 balls which are red, blue or green. If 8 balls are blue and the sum of green balls and blue balls is less than 17, at most how many green balls are there?