Question

If twelve less than $3$ times a number is $27$, then the number is ___

• A. $29$
• B. $39$
• C. $65$
• D. $13$

Answer 1

Answer: (D)

$13$

Let $x$ be a number.

$\Rightarrow 3x-12=27$

$\Rightarrow 3x=27+12$

$\Rightarrow 3x=39$

$\Rightarrow x=\frac{39}{3}=13$

$\therefore x=13$