Data Visualizationhard
0:00.0

A Sankey diagram has an initial flow of 100100. It splits into two branches B1B_1 and B2B_2 with B1=30B_1 = 30 and B2=70B_2 = 70. B2B_2 then splits into B2a=0.5B2B_{2a} = 0.5 B_2 and B2b=0.5B2B_{2b} = 0.5 B_2. What is the final width of branch B2bB_{2b}?