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A company had a sale of English shirts at which all shirts sold at 15% discount....


Question

A company had a sale of English shirts at which all shirts sold at 15% discount. Ojo purchased a shirt for ₦765. What was the original selling price? (Assume no tax).

Options

A) ₦665

B) ₦800

C) ₦700

D) ₦900

The correct answer is D.

Explanation:

Let the Original selling price = x
x - 15% of x = ₦765
\(x - \cfrac{15x}{100} = 765\)
\(\cfrac{100x - 15x}{100} = 765\)
\(\cfrac{85x}{100} = 765\)
\(85x = 765 \times 100\)
\(x = \cfrac{765 \times 100}{85} = 900\)
\(85x = 765 \times 100\)
The original selling price = ₦900

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Dicussion (1)

  • Let the Original selling price = x
    x - 15% of x = ₦765
    \(x - \cfrac{15x}{100} = 765\)
    \(\cfrac{100x - 15x}{100} = 765\)
    \(\cfrac{85x}{100} = 765\)
    \(85x = 765 \times 100\)
    \(x = \cfrac{765 \times 100}{85} = 900\)
    \(85x = 765 \times 100\)
    The original selling price = ₦900

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