What is the question about?
"When I said you were a friend of Tom's, he started to abandon the whole idea. He doesn't know very much about Tom, though he says he's read a Chicago paper for years just on the chance of catching a glimpse of Daisy's name" (p.152)
Answer:
This sentence:
While hundreds of new hair and beauty products enter the market every year: sometimes the oldest solutions are still the best.
Is incorrect.
Explanation:
The reasons this sentence is incorrect are two. First of all the colon is used incorrectly. Because it is used to provide specific information that falls into a category that is produced by the sentence before the colons. However, in our case we don't only receive an example of that category's elements. But an explanation. And explanations shouldn't be introduced by colons. They should be followed by them, making it very clear the following elements are part of the category presented.
Inequalities because they are getting judged by the color or something.