Mastering Compound Proportion

What is the ratio of 3 apples to 5 oranges?

• 8:5

• 5:3

• 3:5

• 3 to 5

If 4 pens cost $2, how much do 10 pens cost?

• $5.00

• $6.00

• $3.00

• $4.00

Solve for x: 2/3 = x/12

• 10

• 12

• 4

• 8

If 5 kg of rice costs $15, what is the cost of 8 kg?

• $18

• $24

• $30

• $20

A car travels 120 miles in 2 hours. What is its speed in miles per hour?

• 100 miles per hour

• 75 miles per hour

• 60 miles per hour

• 50 miles per hour

If 7 notebooks cost $21, how much do 3 notebooks cost?

• $15

• $9

• $6

• $12

Solve for y: 3/4 = 9/y

• 12

• 15

• 18

• 6

If 10 liters of paint cover 200 square meters, how much paint is needed for 500 square meters?

• 25 liters

• 40 liters

• 15 liters

• 30 liters

A recipe requires 2 cups of flour for every 3 cups of sugar. How much flour is needed for 9 cups of sugar?

• 3 cups of flour

• 8 cups of flour

• 6 cups of flour

• 4 cups of flour

If 6 workers can complete a task in 10 days, how long will it take 3 workers to complete the same task?

• 15 days

• 25 days

• 30 days

• 20 days