1. If 3 (4 − 9z) = 7z, then what is z?   3/34   6/17   17/6   −6/17   −17/6   Hint Hint       2. If 6y − 4z = 47 and y + 11z = 2, what is the average (arithmetic mean) of y and z?   9   7   5   3.5   4.5   Hint       3. If x is equal to y divided by z, which of the following is equal to y multiplied by z?   xz   xz2   zx2   xz3   xz3   Hint       4. The arithmetic mean (average) of 9, 29 and y is 19. What is the value of y?   19   47   57   59   39   Hint       5. If 12x − 4y = 12, 4y − 11z = 17, and 11z − 4x = 11, what is the value of x?   cannot be determined   5   8   −8   40   Hint       6. Three-fourths of the fruits in a basket are peaches, and one-tenth of the remaining fruits are plums. If the rest are apples, what percent of the fruits in the basket are apples?   7.5   15   20   22.5   30   Hint       7. Which of the following is not equivalent to 5/8?   35/56   0.625   62.5%   40/64   36/48   Hint