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25 June, 11:19

Some native american tribe made jewelry with dentalia shells. each denalia shell is 2 inches long how much longer would a necklace made with 25 shells be than a necklace made with 20 shells?

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  1. 25 June, 12:50
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    Answer: 10 inches

    Step-by-step explanation:

    We know that each single Denalia shell is 2 inches. So let's calculate how many inches a 25 shell necklace would be

    25 (number of shells) * 2 (inches per 1 shell) = 50in

    Next let's find the second necklace with 20 shells

    20 (number of shells) * 2 (inches per 1 shell) = 40in

    Finally we take the difference between the two

    50in - 40in = 10 inches

    Thus, the difference between a 25 shell necklace and a 20 shell necklace is 10 inches.
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