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Umnica [9.8K]
3 years ago
12

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 ha

ve been used up?
Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0
Well 1 decagram is 10 grams and 10×2 is 20 so 20 from 25 is 5 so 5 grams was used
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