A Austin P New member Sep 30, 2009 #1 one-sixth of a steal beam of a bridge is located in cement below the bed of a river. two-fifths of the beam is in the water and 78 feet is located above the water. how long is the steal beam?
one-sixth of a steal beam of a bridge is located in cement below the bed of a river. two-fifths of the beam is in the water and 78 feet is located above the water. how long is the steal beam?