murtbear murtbear

13-02-2018
Mathematics

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A new pencil weighs 25 grams. After the pencil has been used for a while, it weighs 2 decagrams. How many gram of the pencil have been used up?

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13-02-2018

5 Grams of the pencil have been used up. This is because 1 decagram is equivalent to 10 grams.

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