Direct proportion

What type of proportion does the table represent?

• Direct

• Inverse

• I dont' know

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

1.The number of pencils sold is directly proportional to the cost. If 5 pencils cost £0.45, find the cost of 7 pencils.

• £0.59

• £0.63

• £0.36

• £0.56

Tags

CCSS.6.EE.B.7

CCSS.6.EE.C.9

CCSS.6.RP.A.2

CCSS.6.RP.A.3

g is directly proportional to b

Given g=20 when b=4.

Find g when b=7

• 35

• 5

• 15

• 23

Tags

CCSS.7.RP.A.2B

The number of kilograms of water in a person’s body varies directly as the person’s mass.  A person with a mass of 90 kg contains 60 kg of water.  How many kilograms of water are in a person whose mass is 75 kg?

• 50 kg water
• 72 kg water
• 94 kg water
• 150 kg water

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

CCSS.6.RP.A.3

The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class?

• 12 girls
• 15 girls
• 5.3 girls
• 27 girls

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Two slices of Dan’s Famous Pizza have 230
Calories. How many Calories would you expect to be in 5 slices of the same pizza?

• 2.5 calories
• 575 calories
• 250 calories
• 460 calories

Tags

CCSS.6.EE.B.7

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.2A