In a group of hats consisting of only blue hats, green hats, and purple hats, the ratio of blue hats to green hats to purple hats is 7:4:12. If there are a total of 46 hats in this group, how many of these hats are not blue?
Choices.
A) 28  B) 22  C) 48  D) 64  E) 76
B:G:P = 7:4:12 --&gt; total of 23 parts.   Not blue = (G + P)/(total)*92 = 16/23*46= 
<gadget id="calculator">16/23*46</gadget>
<output>32</output>
32.   Answer: 22.
<result>B</result>
In a group of hats consisting of only blue hats, green hats, and purple hats, the ratio of blue hats to green hats to purple hats is 7:4:12. If there are a total of 46 hats in this group, how many of these hats are not blue?