What is the 5th equivilent fraction to 1/12

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?