What is the relationship between 16% and 80%?

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Vip at (-2,7) dropped her pass and moved to the right on a slope of -9 where can you catch up to her to return her vip pass

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities