jadejashdf jadejashdf

31-05-2017
Mathematics

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what e answer to 0.3(n-4)=15 ?

Respuesta :

abscisa15 abscisa15

31-05-2017

[tex]\it 0.3(n-4)=15|_{\cdot{10}} \Longrightarrow 3(n-4) = 150 |_{:3} \Longrightarrow n-4 = 50 \Longrightarrow \\\;\\ \Longrightarrow n = 50+4 \Longrightarrow n=54[/tex]

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