waecmaths question:
A trader brought sachet water for GH¢50-.00 per dozen and sold them at GH¢55.00. Calculate, correct to 2 decimal places, his percentage gain.
Option A:
8.00%
Option B:
8.30%
Option C:
9.09%
Option D:
10.00%
waecmaths solution:
\[\begin{align} & gain=GHc5.00 \\ & Percentage\text{ }gain=\frac{5}{50}\times 100=10.00percent \\\end{align}\]
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