yvonnal1erfjo3 yvonnal1erfjo3
  • 26-02-2017
  • Mathematics
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Tommy can exhange 9 euros for 11 1/4 dollars at this rate how many dollors can tommy get with 12 erous

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abscisa15
abscisa15 abscisa15
  • 26-02-2017

11 and 1/4 = 45/4, and we have :

9 euros = 45/4 dollars

3 euros = (45/4):3 = (45/4):(3/1) = (45/4)·(1/3) = 15/4 dollars

12 euros = 4 ·3 euros = 4·(15/4) = 15 dollars


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