Posted by shield on .
a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and flower sinks 10 cm far from its original point, what is the depth of lake at the point where the flower was floating

arithmetic (incomplete) 
PsyDAG,
Does the flower sink to the bottom of the lake? If so,
5.5  10 = ?