Question

In $\frac{a}{8}+\frac{a}{4}=6$, the value of $a$ is ______ .

• A. $122$
• B. $-16$
• C. $16$
• D. $0$

Answer 1

Answer: (C)

$\Rightarrow$ $\frac{a}{8}+\frac{a}{4}=6$

$\Rightarrow$ $\frac{a}{8}+\frac{2a}{8}=6$

$\Rightarrow$ $\frac{3a}{8}=6$

$\Rightarrow$ $3a=48$

$\therefore$ $a=16.$