Ratios and Proportions

The measures of the angles in a triangle are in the extended ratio of 4:3:2.  What is the measure of the largest angle?

• 20 degrees

• 60 degrees

• 90 degrees

• 80 degrees

There are 182 girls in the sophomore class of 305 students. What is the ratio of girls to total students?

Write your ratio as a decimal up to three places after the decimal point. EX: 0.435

The ratio of the measures of three angles in a triangle is 7:9:20. Find the measure of each angle in the triangle.

• 35, 45, 100

• 5, 151, 60

• 25, 50, 105

• 40, 50, 90

• 2

• 4

• 4.5

• 8.3

Solve the proportion \frac{2}{9}=\frac{10}{b}

• 2.4

• 45

• 6.98

• 52

• -3.368

• -3

• 9.5

• 6.8

• 7.6

• 7.27

• 7

• -5.1

• -9.5

• -2.8

• -2.6

• -10

The ratio of goats to sheep at a university research farm is 4:7. The number of sheep at the farm is 28. What is the number of goats?

A car company builds two versions of one of its models - a sedan and a station wagon. The ratio of sedans to station wagons is 11:2. A freighter begins unloading cars at a doc. Tom counts 18 station wagons and overhears a dock worker call out, "Okay, that's all of the wagons... bring out the sedans!" How many sedans were on the ship?