Answer:
The original price was 18 dollars.
Explanation:
Givens
Final price = 15 dollars
Discount = 20%
Original Price = x
Formula
x = 15 + 20/100 15
Solution
x = 15 + 300/100 Multiply 20 * 15. Divide by 100
x = 15 + 3
x = 18
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