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Find the missing values on the diagram below. Assume that each line is evenly divided.  

A line segment, from 0% to 100%, with ten equal sections. A bracket includes the first section, labeled 10 %. A bracket includes the first 2 sections, labeled a. A bracket includes the first 5 sections, labeled b. A bracket includes the last 4 sections, labeled 144 and c.

If the line is evenly divided, then each interval represents of the total value.
How many intervals are contained within ?

There are 5 intervals which means that represents .

Follow the same method for .

 represents of the total value. So how much does represent?