Of the 280 muffins that mr. parker baked, 40% were corn muffins. how many more corn muffins must mr. parker bake so that 60% of the muffin are corn muffins?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?