If a dress is sold for #3800.00 at 20% discount. what is its original price?
MATHEMATICS
JAMB 2022
If a dress is sold for #3800.00 at 20% discount. what is its original price?
- A. #3,000.00
- B. #4,000.00
- C. #5,000.00
- D. #4,750.00
Correct Answer: D. #4,750.00
Explanation
It is given that the cost of the item reduces to #3800.00 after the discount on the item.
Let original price = x
x – (20% of x) = 100
⇒ x – 0.2x = 100
⇒ 0.8x = #3800
⇒ x = \(\frac{3800}{0.8}\)
⇒ x = 4,750
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