A group of 3 children can make 40 cups of lemonade to sell at their lemonade stand in an hour. When another child is added, they are able to make 34 cups of lemonade in an hour. Calculate the marginal product of adding the 4th child.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap