1. If x is equal to y divided by z, which of the following is equal to y multiplied by z?   xz3   xz3   zx2   xz   xz2   Hint Hint       2. If p = q + 1/2, q = 3r + 1/2, and r = 5s + 1/3, what does s equal in terms of p?   (p − 2)/5   (p + 1)/15   (p − 2)/15   (p − 1)/15   (p − 1)/5   Hint       3. Which of the following is not equivalent to 5/8?   35/56   0.625   62.5%   40/64   36/48   Hint       4. What is the largest prime factor of 399?   7   13   17   19   21   Hint       5. If c carpenters can make t tables in d days, how many tables can 10 carpenters, working at the same rate, make in 30 days?   300t/(cd)   tc/(3d)   cd/(300t)   3tc/d   300cd/t   Hint       6. What is the smallest of five consecutive odd integers whose sum is S?   5S + 20   (S + 12)/5   5S − 20   (S − 20)/5   (S + 20)/5   Hint       7. The arithmetic mean (average) of 9, 29 and y is 19. What is the value of y?   59   47   39   57   19   Hint