A population gathers plants and animals for survival. They need at least 380 units of energy, 300 units of protein, and 8 hides. one unit of plants provides 30 units of energy, 10 units of protein, and 0 hides. one animal provides 20 units of energy, 25 units of protein and 1 hide. only 15 units of plants 28 animals are available. it costs 20 hours of labor to gather one unit of a plant and 10 hours for an animal. Find how many units of plants and animals should be gathered to meet the requirements with a minimum number of hours of labor. The population should gather units of plants and animals