1. If there are 5 to 7 plums in a pound, the maximum number of plums in 35 pounds is   245   25   49   7   175   Hint Half-n-half Clue   2. A fertilizer contains 3 parts nitrogen, 2 parts phosphate and 2 parts potash by weight. The weight of fertilizer that will contain 36 pounds of nitrogen is   84 pounds   63 pounds   126 pounds   60 pounds   90 pounds   Half-n-half Clue   3. x is proportional to y. If x = 7 when y = 8, what is x when y = 42?   48.75   36.75   48   36   48.25   Half-n-half Clue   4. If 4 : 9 = 63 : x, then x =   141.75   28.75   141   28   144   Half-n-half Clue   5. 24-carat gold is pure gold. 18-carat gold is 3/4 gold and 20-carat gold is 5/6 gold. The ratio of pure gold in 20-carat gold to pure gold in 18-carat gold is   10 : 9   5 : 4   8 : 5   5 : 8   9 : 10   Half-n-half Clue   6. If there are 16 ounces in 1 pound, the ratio of 6 ounces to 3¾ pounds is   10 : 1   8 : 5   1 : 10   2 : 1   5 : 8   Half-n-half Clue   7. A class of 42 students has 14 girls. The ratio of boys to girls is   3 : 2   1 : 3   3 : 1   2 : 1   1 : 2   Half-n-half Clue