How many more parts should be shaded so that  
8
10
  of the given figure is shaded?


Answer:

4

Step by Step Explanation:
  1. Total number of parts in the figure = 10
    Number of shaded parts in the figure = 4
    If the given figure makes  
    8
    10
      shaded, then the number of shaded parts = 8
    Therefore, more parts that should be shaded so that the given figure makes  
    8
    10
      shaded = 8 - 4 = 4

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