An individual is teaching a class on excel macros. the individual plans to break the class up into groups of 4 and wants each group to have 2 exercises to practice on, with no group doing the same exercise. the individual wants to know how many exercises he will need. write an equation that expresses the situation, let x be the independent variable and y be the dependent variable

1. ð£-4x
2. y-2(x/4)
3. y-4x/2