maxdmontero maxdmontero
  • 16-02-2019
  • Mathematics
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Last year there were 15 porcelain dolls in Lanny's collection, after trading for a rare doll, she now has 12 dolls. What is the percent decrease of her collection?

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sherry318
sherry318 sherry318
  • 16-02-2019
15-12=3
3/15=0.2
20% decrease
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