Variation Equations (6.03)

Which variation is represented by this situation:

Martha earns $375 when she works 5 hours. How much will she earn if she works 12 hours?

• Direct Variation

• Inverse Variation

Which variation is represented by this situation:

It takes 2 workers 5 days to paint all the rooms in a house. How long will it take 5 workers to paint all the rooms in the house?

• Direct Variation

• Inverse Variation

Which variation is represented by this situation:

If one hose can fill a swimming pool in 7 hours, how long will it take 3 hoses to fill the pool?

• Direct Variation

• Inverse Variation

Which variation is represented by this situation:

A building that is 6 stories tall has a shadow that is 22 meters long. How many stories tall is a building with a shadow that is 40 meters long?

• Direct Variation

• Inverse Variation

If y varies inversely as x and y = 3 when x = 24, which is the constant of variation?

• 72

• 1/8

• 8

• 21

If y varies directly as x and y = 13 when x = 5, which is the constant of variation?

• 13/5

• 5/13

• 65

• 8

If it takes 9 hours to travel from North Carolina to Florida driving an average speed of 55 mph, about how long will it take to travel from North Carolina to Florida driving an average speed of 70 mph?

• 7 hours

• 6.5 hours

• 6 hours

• 11 hours

If a building that is 6 stories tall has a shadow that is 24 meters long, how many stories tall is a building with a shadow that is 40 meters long?

• 10 stories

• 3.6 stories

• 8 stories

• 7.5 stories