Respuesta :

TSO
is means equal sign
percent means over hundred
of means multiplication
lets say this number we are talking about is 'n'

[tex]12 = \frac{60}{100} \times n \\12=0.6n \\n =20[/tex]

Plug back in n=20 into the equation to make sure it works.
[tex]12 = \frac{60}{100} \times 20 \\12 = \frac{60}{5}\\12=12[/tex]

So n = 20 is your answer

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