Direct and Inverse Proportion

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480
• 1960
• 84
• 25

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

What type of proportion does the table represent?

• Direct

• Inverse

• I dont' know

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.4

At Sec 2 camp, there is sufficient food for 48 students to last 6 days. If 12 students are absent from the camp, how many more days can the food last?

• 2

• 4

• 6

• 8

48 men were deployed to construct a bridge in 30 days.

How many days does it take for 8 men to construct the same bridge?

• 5

• 10

• 180

• 200

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2
• $308
• $1.57
• $265

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

What type of variation does this scenario represent?

The length of time you charge your cell phone

and the battery power

• Direct Proprtion

• Inverse Proprtion

• Joint Proprtion

• none of these

Tags

CCSS.HSA.CED.A.2

What type of variation does this scenario represent?

The outside temperature

and the number of layers of clothes you need to wear outside to feel comfortable

• Direct Proprtion

• Inverse Proprtion

• Joint Proprtion

• none of these

The number of kilogram 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 kilogram of water is there in a person whose mass is 75 kg?

• 50 kg water

• 72 kg water

• 94 kg water

• 150 kg water

On a scale drawing, 2 feet represents 30 yards. How many yards are represented by 3 feet?

• Direct Proportion

• Inverse Proportion

Identify whether the given relation is Direct or Indirect Proportion?
The number of workers on a job and the time to complete the job

• Direct Proportion
• Indirect Proportion 

Tags

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3