A restaurant manager has estimated that the price elasticity of demand for meals is 2. If the restaurant increases menu prices by 5%, she can expect the number of meals sold to decrease by and total revenue to . 5%; stay constant 10%; fall 10%; increase 2.5%; fall

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.