ASVAB Practice Math Questions

Category - Math - Hard

A series discount of 20% and 10% is equivalent to a single discount of
  1. 30%
  2. 28%
  3. 22%
  4. 27%
Explanation
Answer B: Let original price=100, Sale price after 1st discount = 100 -20 =80. Second discount = 10% of 80 = 8, Net price = 72. Total discount on original price of 100 = 28. A series discount of 20% and 10% is equivalent to a single discount of 28%

Key takeaway: First discount is given on the original sale price, but second discount is on already discounted price and not on the original sale price.
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