Direct and Inverse Proportions

Kendra earns $32.50 for working 7 hours. If the amount m she earns varies with h the number of hours she works, how much will she earn for working 12 hours?

• Direct Variation

• Inverse Variation

6.The time it takes to travel a fixed distance varies inversely with the speed traveled. If it takes Pancho 52 minutes to bike to his fishing spot at 9.5 miles per hour, how long will it take him if he rides at 11 miles per hour?

• Direct Variation

• Inverse Variation

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

• Direct Variation

• Inverse Variation

8.On a map, 180 miles are represented by 4 inches. How many miles are represented by 6 inches?

• Direct Variation

• Inverse Variation

9.The number of hours required to do a job varies inversely as the number of people working. It takes 8 hours for 4 people to paint the inside of a house. How long would it take 5 people to do the job?

• Direct Variation

• Inverse Variation

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

Q1. How many apples are there?

• 1)

  10

• A)

  12

• 1)

  15

• A)

  20

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 

Identify whether the given relation is Direct or Indirect Proportion?
Area of cultivated land and the crop harvested 

• Director Proportion

• Indirect Proportion

If x and y are in an inverse variation then which of the following is correct?

• x - y = constant

• x + y = constant

• xy = constant 

• x⁄y is constant 

Tags

CCSS.HSF-LE.A.1B