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Gabi and Lola are solving 0.3x + 4.5. Gabi's work: 0.3x/3 = 4.5/3, x = 15. Lola's work: 0.3x/0.3 = 4.5/0.3, x = 15. Explain.

Guest Jun 2, 2017
 #1
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0.3x  = 4.5

 

(3/10)x  =  4 + 1/2

 

(3/10)x  =  9/2          multiply through by  10/3

 

x   =  (9/2) (10/3)   =   90 / 6     =   15

 

 

 

cool cool cool 

CPhill  Jun 2, 2017

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