In a certain class, 22 pupils take one or more of chemistry, economics and government
12 take economics (E), 8 take government
(G) and 7 take chemistry (C). Nobody takes
economics and chemistry, and 4 pupils take
economics and government.
a i Using set notation and the letters
indicated above, write down the two
statements in the last sentence.
ii Draw a Venn diagram to illustrate the
information
b How many pupils take
i both chemistry and government?
i government only?

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.