1. Jack is now 7 times as old as Jill. If 10 years from now, he will be 3 times as old as Jill, how old is Jack now?   14   21   28   35   42   Hint Hint       2. An office requires P sheets of paper each month for each employee. If there are E employees in the office, for how many months willT sheets of paper last?   TPE   TE/P   PE/T   T/PE   P/TE   Hint       3. 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       4. What is z if 2.5% of z equals 75% of 50?   10   25   50   75   1500   Hint       5. The arithmetic mean (average) of five numbers is −5. If the sum of two of them is 50, what is the average of the other three?   25   10   0   −10   −25   Hint       6. An total of $45,000 in prize money is to be divided unequally among the top three contestants. What is the value of the largest prize?   $9,000   0,000   2,000   5,000   $27,000   Hint       7. 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?   4 − π   32 − 8π   16 − 4π   8 − 2π   1 − π/4   Hint