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The time it takes to travel a fixed distance varies inversely with the speed traveled. It takes Sam 40 minutes to bike to the secret fishing spot at 9 miles per hour.


1.) What is the constant of variation (k)?
A. 3 B. C. 6 D. 9
2.) What is the equation that represents the situation in the problem?
A. y = B. y = C. y = 6x. D.
[tex]y = \frac{2x}{3} [/tex]
3.) How long will it take if Sam rides 12 miles per hour?
A. 20 minutes B. 30 minutes C. 40 minutes D. 50 minutes
4.) A car runs at a constant speed and takes 3 hours to run a distance of 180 km.
What is the constant speed of the car?
A. 40 km/h B. 60 km/h C. 100 km/h D. 180 km/h
5.) What time will it take the car to run a distance of 100 km.?
A. 1 hr B. 1 hr and 20 minutes C. 1 hr and 40 minutes D. 2 hrs​