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 161 hats in this group, how many of these hats are not blue?
Choose the correct choice from the following options
A) 28
B) 112
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*161= 
<gadget id="calculator">16/23*161</gadget>
<output>112</output>
112.   Answer: 112.
<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 161 hats in this group, how many of these hats are not blue?