Jambmaths question:
Simplify $1-\left( \frac{1}{7}\times 3\frac{1}{2} \right)\div \frac{3}{4}$
Option A:
2
Option B:
$\tfrac{1}{3}$
Option C:
1
Option D:
$\tfrac{2}{3}$
Jamb Maths Solution:
$\begin{align} & \text{Using BEDMAS} \\ & 1-\left( \frac{1}{7}\times 3\frac{1}{2} \right)\div \frac{3}{4}=1-\left( \frac{1}{7}\times \frac{7}{2} \right)\times \frac{4}{3} \\ & 1-\left( \frac{1}{7}\times 3\frac{1}{2} \right)\div \frac{3}{4}=1-\left( \frac{1}{2} \right)\times \frac{4}{3} \\ & 1-\left( \frac{1}{7}\times 3\frac{1}{2} \right)\div \frac{3}{4}=1-\frac{2}{3}=\frac{1}{3} \\\end{align}$
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