Jambmaths question:
$\begin{align} & \text{Find the mean of }t+2,2t-4,3t+2\text{ and }2t \\ & (A)\text{ }t\text{ }(B)\text{ }t+1\text{ }(C)\text{ }2t\text{ }(D)\text{ }2t+1 \\\end{align}$
Jamb Maths Solution:
$\begin{align} & mean=\bar{x}=\frac{t+2+2t-4+3t+2+2t}{4} \\ & \bar{x}=\frac{8t}{4}=2t \\\end{align}$
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