1. Tom has 7 times as many crayons as Dick and 3 times as many as Harry. If Dick has less than 21 crayons, what is the maximum number of crayons that Tom can have?   63   105   120   140   147   Hint Hint       2. What is 2% of 7%?   0.014%   0.09%   0.14%   1.4%   14%   Hint       3. In the figure, each of the four white "petals" is formed by the intersection of two semicircles. Each of the four semicircles is drawn with its center at the midpoint of each side of the square. If the length of the side of the square is 2, what is the total area of the shaded region excluding the petals?   1 − π/4   4 − π   16 − 4π   32 − 8π   8 − 2π   Hint       4. A quiz consists of true and false questions. The ratio of the number of true questions to the number of false questions is 4:3. About what percent of the questions are false?   43%   57%   67%   83%   86%   Hint       5. From 1999 to 2000, the computer sales increased by 40% and the printer sales decreased by 40%. The ratio of printer sales to computer sales in 2000 was how many times the ratio of printer sales to computer sales in 1999?   7/3   5/3   3/7   3/5   1   Hint       6. What is z if 2.5% of z equals 75% of 50?   10   25   50   75   1500   Hint       7. An agent receives a commission of 40 cents for every $50 of business she procures. What percent is the agent's commission?   0.8%   1.0%   1.25%   1.5%   2.5%   Hint