Breeana Breeana

04-02-2015
Mathematics

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Thirty is 12% of what number ?

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04-02-2015

30 is 12% of x.

[tex]12\% x=30 \\ \frac{12}{100}x=30 \\ \frac{3}{25}x=30 \\ x=30 \times \frac{25}{3} \\ x=10 \times 25 \\ x=250[/tex]

30 is 12% of 250.

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VzDeath VzDeath

04-02-2015

[tex]0.12x=30 \\ /0.12\ \ /0.12 \\ \boxed{x=250}[/tex]

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