Direct Variation

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?

Equation of variation for counting seconds between lightning and thunder to determine distance.

Eduardo counted four seconds between a flash of lightning and thunder. How far away was the lightning? Options: 40 miles, 4/5 miles, 8 miles, 20 miles

Shawn’s weekly pay is directly proportional to the number of hours worked. Pay for 20 hours is $123.00. What is the constant of variation?

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the equation of variation?

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.

At top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?

At top speed, a rabbit can cover 7 miles in 12 minutes. What is the equation of variation? Options: y = 7x, y = 12x, y = 12/7x, y = 7/12x

At top speed, a rabbit can cover 7 miles in 12 minutes. How long would it take to cross 220 miles at this rate?

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?