Look again at the sentence below. Which of the words do you think is most useful for telling you what to look for in the text?
What percentage of people have stopped using other drugs because of the legalisation of marijuana?
The most useful word in this question is ‘percentage’. To find the answer, all you need to do is to scan the text to find either the word or the symbol (%) Although you may have thought it was ‘drugs’ or ‘marijuana’, it’s actually a lot easier to scan for symbols!