Question 8

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waecmaths question: 

Simplify $1\tfrac{1}{2}+2\tfrac{1}{3}\times \tfrac{3}{4}-\tfrac{1}{2}$

Option A: 

$-2\tfrac{1}{3}$

Option B: 

$-2\tfrac{1}{4}$

Option C: 

$2\tfrac{1}{8}$

Option D: 

$2\tfrac{3}{4}$

waecmaths solution: 

$\begin{align}  & 1\tfrac{1}{2}+2\tfrac{1}{3}\times \tfrac{3}{4}-\tfrac{1}{2}=\tfrac{3}{2}+\tfrac{7}{3}\times \tfrac{3}{4}-\tfrac{1}{2} \\ & =\tfrac{3}{2}+\tfrac{7}{4}-\tfrac{1}{2} \\ & =\tfrac{6+7-2}{4}=\tfrac{11}{4} \\ & =2\tfrac{3}{4} \end{align}$

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