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A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a back smith to join into a single continuous one . How many links are to be opened to make it?
    Correct answer is '2'. Can you explain this answer?
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    A chain is broken into three pieces of equal lengths containing 3 link...
    Problem Analysis:
    In this problem, we are given a chain consisting of three equal-length pieces, each containing 3 links. We need to join these three pieces into a single continuous chain. To do this, we need to calculate the number of links that need to be opened.

    Solution:
    To solve this problem, we can follow these steps:

    Step 1: Calculate the total number of links in the original chain.
    Given that each piece contains 3 links and there are 3 pieces, the total number of links in the original chain is: 3 links/piece * 3 pieces = 9 links.

    Step 2: Calculate the number of links needed to join the pieces into a single chain.
    To join the three pieces into a single chain, we need to connect the end links of each piece. Since there are 3 pieces, we need to make 2 connections. Each connection requires opening one link. Therefore, the number of links that need to be opened is 2.

    Step 3: Verify the solution.
    To verify the solution, we can calculate the total number of links in the final chain. Since we need to open 2 links to make the connections, the total number of links in the final chain should be 9 - 2 = 7 links.

    Conclusion:
    In this problem, we calculated that 2 links need to be opened to join the three equal-length pieces of the chain into a single continuous chain.
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    A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a back smith to join into a single continuous one . How many links are to be opened to make it?Correct answer is '2'. Can you explain this answer?
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