Understanding Proportional Relationships

1. If 3 apples cost $6, how much do 9 apples cost?

• $15

• $12

• $18

• $24

A) $12 B) $15 C) $18 D) $20

• $20

• $30

• $25

• $10

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

• 4 cups of flour

• 6 cups of flour

• 8 cups of flour

• 3 cups of flour

A) 4 B) 5 C) 6 D) 7

• 8

• 9

• 3

• 5

3. If the ratio of boys to girls in a class is 4:5, how many girls are there if there are 20 boys?

• 20

• 30

• 15

• 25

A) 25 B) 30 C) 35 D) 40

• 45

• 20

• 50

• 30

4. A car travels 150 miles on 5 gallons of gas. How far can it travel on 8 gallons?

• 180 miles

• 300 miles

• 200 miles

• 240 miles

A) 200 miles B) 240 miles C) 300 miles D) 350 miles

• 150 miles

• 400 miles

• D) 350 miles

• 500 miles

5. If 5 pencils cost $2, how much do 15 pencils cost?

• $8.00

• $10.00

• $4.00

• $6.00

A) $4 B) $6 C) $8 D) $10

• $10

• $14

• $2

• $12