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. What is the smallest of five consecutive odd integers whose sum is S?   (S − 20)/5   (S + 20)/5   (S + 12)/5   5S + 20   5S − 20   Hint       3. If p = q + 1/2, q = 3r + 1/2, and r = 5s + 1/3, what does s equal in terms of p?   (p − 2)/15   (p + 1)/15   (p − 2)/5   (p − 1)/5   (p − 1)/15   Hint       4. If 12x − 4y = 12, 4y − 11z = 17, and 11z − 4x = 11, what is the value of x?   40   cannot be determined   8   −8   5   Hint       5. 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       6. What is the largest of four consecutive even integers whose sum is 892?   218    220   222   226   230   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?   πD2/16   πD2/8   3πD2/16   3πD2/8   πD2/4   Hint