In a group of hats consisting of only blue hats, green hats, and purple hats, the ratio of blue hats...
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 138 hats in this group, how many of these hats are not blue?
Answer/Solution
96
Steps/Work
B:G:P = 7:4:12 --> total of 23 parts.
Not blue = (G + P)/(total)*92 = 16/23*138 = 96.
Answer: A.
Not blue = (G + P)/(total)*92 = 16/23*138 = 96.
Answer: A.