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A woman received a discount of 20% on a piece of cloth she purchased from...

Mathematics
WAEC 2020

A woman received a discount of 20% on a piece of cloth she purchased from a shop. If she paid $525.00, what was the original price?

  • A. $675.25
  • B. $660.25
  • C. $656.25
  • D. $616.25
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Correct Answer: Option C
Explanation

\(\frac{20}{100}\) x \(x\) = \(x - 525\)

\(\frac{x}{5} = x\) - 535

x = 5x - 2625

\(\frac{4x}{4} = \frac{2625}{4}\) 

x = $656.25

OR

To find the original price of the cloth after a 20\% discount, we can set up the equation:

\(\text{Final Price} = \text{Original Price} - \text{Discount}\)

Let \( P \) be the original price. Since the woman received a 20\% discount, she paid 80\% of the original price:

\(525 = 0.8P\)

To find \( P \), divide both sides by 0.8:

\(P = \frac{525}{0.8}\)

Calculating this gives:

\(P = 656.25\)

Thus, the original price of the cloth was \(\$656.25\).


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