waecmaths question:
For what range of values of x is $\tfrac{1}{2}x+2\ge 2x-1$
Option A:
$x\le 2$
Option B:
$x\ge 2$
Option C:
$x\le 3$
Option D:
$x\ge 3$
waecmaths solution:
$\begin{align} & \tfrac{1}{2}x+2\ge 2x-1 \\ & \tfrac{1}{2}x-2x\ge -1-2 \\ & -\tfrac{3x}{2}\ge -3 \\ & x\le 2 \\\end{align}$
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