According to the us census bureau,3/25 of all alduts in the united states visiteda zoo in 2007.what percent of all adults in the the united states visited a zoo in 2007

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 .