Breeana Breeana
  • 04-02-2015
  • Mathematics
contestada

Thirty is 12% of what number ?

Respuesta :

naǫ
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.
Answer Link
VzDeath
VzDeath VzDeath
  • 04-02-2015
[tex]0.12x=30 \\ /0.12\ \ /0.12 \\ \boxed{x=250}[/tex]
Answer Link

Otras preguntas

what is the squre root of 32 divided by five plus the square root of 18 divided by 7
Show steps please. I'd really appreciate it.
Someone please help me
Why was beethoven's last symphony unusual in his time?
Determine the discriminant for the equation -3=x^2+4x+1 based on the discrimininant value how many real solutions Does the equation have
What is the molecular formula of a compound given the molar mass of the compound is 62.18 g/mol and the empirical formula is c2h7?
In ____ you can use any character you like without worrying about it being misinterpreted.
The following system of equations can be used to find the roots of the equation x3 + 72 = 5x2 + 18x. y = x3 + 72 y = 5x2 + 18x Graph this system of equations o
In the diagram below, BC is an altitude of ABD. To the nearest whole unit, what is the length of CD?
Which excerpts from the text signal the sequence of events? Check all that apply. "At the start of the reign the majority of productions are miracle plays . . .