If of a number is , then what is of ?
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Hint 1: Think about what happens when you swap the percentage and the number. Is of the same as of ?
Hint 2: Write out the expression: of . Compare this with of .
Hint 3: They are identical expressions! of of .
Step 1: Find from of .
Step 2: Compute of :
Key Insight: Notice that of of . The percentage operation is commutative: of of .
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