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3 votes
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

2 Answers

1 vote
5 grams have been used up.

2 decagrams = 20 grams

You originated with 25.

25 - 5 = 20

Therefore the answer is 5 grams.
User Jolivier
by
7.6k points
4 votes
5 grams of the pencil have been used up.

User Davidsleeps
by
8.0k points
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