foe3932 foe3932

28-04-2014
Mathematics

contestada

solve for "y"
6.3=0.9y
y=

Respuesta :

28-04-2014

[tex]6.3=0.9y \ \ / *10 \\ \\10\cdot 6.3=10\cdot 0.9y \\ \\63=9y \ \ /:9\\ \\y=\frac{63}{9}\\ \\y=7[/tex]

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