waecmaths question:
The figure is a pie chart which represents the expenditures of a family in a year. If the total income of the family was Le 10,800,000.00, how much was spent on food?
Option A:
Le 2,250,000.00
Option B:
Le 2,700,000.00
Option C:
Le 3,600,000.00
Option D:
Le 4,500,000.00
waecmaths solution:
$\begin{align} & The\text{ sector for food }={{360}^{\circ }}-({{70}^{\circ }}+{{80}^{\circ }}+{{90}^{\circ }})={{120}^{\circ }} \\ & Amount\text{ spent on food}=\frac{{{120}^{\circ }}}{{{360}^{\circ }}}\times 10,800,000=3,600,000.00 \\\end{align}$
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