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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 grams of the pencil have been used up. plz explain how to solve.
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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 grams of the pencil have been used up. plz explain how to solve.

User Rahul Shalgar
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I hope this helps you
A new pencil weighs 25 grams. After the pencil has been used for a while, it weighs-example-1
User Malajisi
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24.8 decagrams have been used,each decagram is 1/10 of a gram so if there's two decagrams left,24.8 grams have been used so far.
User Iaroslav Sobolev
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