2 diagrams. In the first diagram, Original 23 million and Change a are the top 2 boxes. The bottom box contains New 54 million. In the second diagram, Original 100 percent and Change b are in the top 2 boxes. The bottom box contains New c. The population of one country changed from 23 million to 54 million. Use the information to find the unknown values in the bar diagrams.

a =

31
23
≈ 1.347

b ≈

c ≈