A person has three types of articles. If he sells all types of articles, he gets 25%, 18% & 26% profit individually. The average profit percentage of first & second types of articles is 20% , while the profit percentage of second & third types of articles is 21%. Find the average profit percentage if he sells all types of articles together.
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Answer:
678999
Step-by-step explanation:
use calculator and add the numbers
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