Mali is a landlocked country in western africa. in 2015, its population was estimated to be 14.5 million. for the following 10 years, the population of mali was projected to grow by 3 percent each year; this relationship can be modeled by the equation p = 14.5(r)y, where p is the population, in millions, y years after 2015. (a) what is the value of r in the equation above? (b) what is the projected population of mali in 2022, in millions, to the nearest tenth of a million?