1. How old will Mr. Winkle be p years from now if he was q years old r years ago?   −p + q + r   p + q + r   p − q − r   p + q − r   p − q + r   Hint Hint       2. If x is equal to y divided by z, which of the following is equal to y multiplied by z?   zx2   xz3   xz3   xz   xz2   Hint       3. If 6y − 4z = 47 and y + 11z = 2, what is the average (arithmetic mean) of y and z?   7   5   3.5   4.5   9   Hint       4. What is the largest prime factor of 399?   7   13   17   19   21   Hint       5. Two-fifths of the caps in a box are red, one-fourth are blue, and the rest are green. What is the ratio of the green caps to the blue caps?   5:8   5:7   7:8   8:7   7:5   Hint       6. Mary bought some eggs on Sunday. She used half of them on Monday. After using 3 more eggs on Tuesday, she was left with exactly one-third of the eggs. How many eggs did Mary buy?   10   12   16   18   24   Hint       7. A region within a semicircle is shaded. If D is the diameter of the semicircle, what is the area of the shaded region?   3πD2/16   πD2/4   πD2/16   3πD2/8   πD2/8   Hint