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Engines make up 25% of Denise's collection of 12 miniature train engines and boxcars. After Denise added new engines,her collection was 50% engines . How many engines did she add?
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Engines make up 25% of Denise's collection of 12 miniature train engines and boxcars. After Denise added new engines,her collection was 50% engines . How many engines did she add?

User Jeremy Lynch
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1 Answer

3 votes
12 * .25= 3 engines. 12 *.50= 6 engines. She added 3 more engines.
User Humpy
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