Question 2

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waecmaths question: 

Simplify $(\tfrac{3}{4}-\tfrac{2}{3})\times 1\tfrac{1}{5}$

Option A: 

$\tfrac{1}{60}$

Option B: 

$\tfrac{5}{72}$

Option C: 

$\tfrac{1}{10}$.

Option D: 

$1\tfrac{7}{10}$

waecmaths solution: 

$\begin{align}  & (\tfrac{3}{4}-\tfrac{2}{3})\times 1\tfrac{1}{5}=(\tfrac{3}{4}-\tfrac{2}{3})\times \tfrac{6}{5} \\ & (\tfrac{3}{4}-\tfrac{2}{3})\times 1\tfrac{1}{5}=(\tfrac{9-8}{12})\times \tfrac{6}{5} \\ & (\tfrac{3}{4}-\tfrac{2}{3})\times 1\tfrac{1}{5}=\tfrac{1}{12}\times \tfrac{6}{5} \\ & (\tfrac{3}{4}-\tfrac{2}{3})\times 1\tfrac{1}{5}=\tfrac{1}{10} \\\end{align}$

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