Rani rai sold two typewriters at Rs 1980 each . if the gained 10% in one and lost 10% in other ' find the gain or loss percentage she made.

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)