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balu736 [363]
3 years ago
9

Engines make up 25% of Denise's collection of 12 miniature train engines and boxcars. After Denise added new engines,her collect

ion was 50% engines . How many engines did she add?
Mathematics
1 answer:
iragen [17]3 years ago
7 0
12 * .25= 3 engines. 12 *.50= 6 engines. She added 3 more engines.
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