Breeana
Breeana
04-02-2015
Mathematics
contestada
Thirty is 12% of what number ?
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naǫ
naǫ
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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