Two thousand four hundred students subscribed to cable TV services while they enrolled like freshmen. 800 of them students dropped the service while the price of cable rose by $25 to $35 per month. The absolute value of the price elasticity of demand for cable TV between these college freshmen: (w) 2.0. (x) 1.5. (y) 1.2. (z) 1.0. (a) 0.8.
Can anybody suggest me the proper explanation for given problem regarding Economics generally?