For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
Ayes; y = 0.4x
Byes; y = 10x
Cyes; y = 2.5x
Dno; y does not vary directly with x
Ayes; y = 0.4x
Byes; y = 10x
Cyes; y = 2.5x
Dno; y does not vary directly with x