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27 May, 18:53

A human usually has 20 baby teeth which are replaced by 32 adult teeth. Raül lost 8 of his baby teeth. Raül said he lost 4/10 of his baby teeth Ana said Raul lost 2/5. Which of this conjectures are true? Construct an argument to justify your answer.

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  1. 27 May, 19:11
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    They are both right because Raul simplifyed 8/20 to 4/10 but Ana went further to simplify 4/10 to 2/5
  2. 27 May, 19:18
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    They are both correct because Ana simplified what Raul said. You know this because 2/5*2/2=4/10
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