waecmaths question:
The pie chart represents fruits on display in a grocery shop. If there are 60 oranges on display, how many apples are there?
Option A:
90
Option B:
80
Option C:
70
Option D:
40
waecmaths solution:
$\begin{align} & 60{}^\circ +100{}^\circ +120{}^\circ +x=360{}^\circ \\ & x=80{}^\circ \\ & \text{The angle for the oranges =}80{}^\circ \\ & 60\text{ oranges is equivalent to 80}{}^\circ \\ & \text{The number of apples will be }\frac{60}{80{}^\circ }\times 120{}^\circ =90 \\\end{align}$
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