If the sale price of a shirt is $20 after a 50% discount, what was its original price?

Question:

If the sale price of a shirt is $20 after a 50% discount, what was its original price?

Options:

A) $25 

B) $30 

C) $35 

D) $40

Answer:

D) $40

Solution:

Original price * (1 – Discount) = Sale price. Therefore, Original price * (1 – 0.5) = $20. Original price = $20 / 0.5 = $40.