Identify which situations in numbers 3-7 below can be modeled by direct variation, inverse variation or
neither; write the equation for the first six.
3. Fred earns $6.50 per hour.
4. Edwina earns $450 plus 7.5% commission on sales
5. A car travels 250 miles to Myrtle Beach; the faster it goes, the less time the trip takes.
6. For his flooring business, Joes nees to convert feet to yards.
7. The volume of the water in a swimming pool as it is filed at a rate of 200 gallons per minute.