An album receives an award when it sells 100,000,000 copies. An album has sold 7,680,000 copies. How many more copies does it need to sell to receive the award?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .