6. the speed, s of object varies directly as the distance traveled, d, and inversely as the time taken.

7. Designer Dolls found that it's number of Dress-Up Dolls sold, N, varies directly with their advertising budget, A, and inversely proportional with the price of each doll, P

8. G varies directly as I and inversely as H

9. a varies directly as b and inversely as c

10. m varies directly as n and inversely as o​