holdenmiller2008 holdenmiller2008

11-05-2021
Mathematics

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carina bought a spiral notebook that cost x dollars and a binder that cost 2.5 times a much as the notebook. her total cost was 4:20. how much did the spiral notebook cost?

Respuesta :

SmartDudeG SmartDudeG

11-05-2021

The notebook cost $1.20

x+2.5x=4.2
3.5x=4.2
x=1.2

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