IV. Pre-Test:
Read each word problem and solve for the missing number.
1. The ratio of boys to girls in a class is 6:7. If there are 52 learners in the class,
how many boys and girls could there be in the class?
2. The ratio of 2 numbers is 3:5. The larger number is 30. What is the smaller
number?
3. Divide 128 chairs among 3 rooms in the ratio of 1:3:4.
4. Mother mixed cream and milk in the ratio of 2 parts cream to 3 parts milk. How
many cups of each are needed to have 80 cups of mixture?
5. Six bars of soap cost P 108.00. How much will 10 bars of soap cost?

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

If angle 2=3x +1 and angle 3=2x +4what is angle 2