Question: If a shirt is sold for $45 after a discount of 10%, what was the original price of the shirt?
Options:
Correct Answer: $50
Solution:
Let the original price be x. After a 10% discount, the selling price is x - 0.1x = 0.9x. So, 0.9x = 45. Therefore, x = 45/0.9 = $50.