Question

Evaluate the expression a/2 + 4 when a is 12.

Answer 1

The given expression is :

a/2 + 4

Substitute a = 12

`\begin{gathered} (a)/(2)+4 \\ (a)/(2)+4=(12)/(2)+4 \\ (a)/(2)+4=6+4 \\ (a)/(2)+4=10 \end{gathered}`

at a = 12, a/2 + 4 = 10

Answer : 10