Question 2

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Jambmaths question: 

Solve the inequality $\tfrac{1}{2}x+\tfrac{1}{3}>\tfrac{1}{3}x+1$

Option A: 

x < 6

Option B: 

x > 7

Option C: 

x > 7

Option D: 

x < 4

Jamb Maths Solution: 

$\begin{align}  & \tfrac{1}{2}x+\tfrac{1}{3}>\tfrac{1}{3}x+1 \\ & \tfrac{1}{2}x-\tfrac{1}{3}x>1-\tfrac{1}{3} \\ & \tfrac{1}{6}x>\tfrac{2}{3} \\ & x>\tfrac{2}{3}\times \tfrac{6}{1} \\ & x>4 \\\end{align}$

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