Răspuns :

Edinakozma5id

[tex] \frac{30}{100} \times x = 63[/tex]

[tex] \frac{30x}{100} = 63 [/tex]

[tex]30 x = 63 \times 100[/tex]

[tex]30x = 6300[/tex]

[tex]x = \frac{6300}{30} [/tex]

[tex]x = 210[/tex]

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