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30 March, 17:36

In a chest there are some gold coins. Captain takes half the coins. Sally takes a quarter of the coins. There are 3 coins left. How many coins were in the chest at the start?

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  1. 30 March, 17:46
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    There were 12 gold coins in the chest at the start.

    Step-by-step explanation:

    1. Let's review the information given to us to answer the question correctly:

    x = Number of gold coins in a chest

    1/2x = Number of gold coins taken by the captain

    1/4x = Number of gold coins taken by Sally

    3 = Number of gold coins left

    2. How many coins were in the chest at the start?

    Let's write the following equation to solve for x:

    1/2x + 1/4x + 3 = x

    2x + x + 12 = 4x (Lowest Common Denominator is 4)

    4x - 2x - x = 12 (Like terms)

    x = 12

    There were 12 gold coins in the chest at the start.
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