Problem-Solving and Data AnalysisHardTwo successive discounts
Problem-Solving and Data Analysis practice question
A coat priced at $200 is marked down by 20%. A week later, the marked-down price is reduced by a further 15%. What is the final price of the coat, in dollars?
Answer: 136
20% off: 200 × 0.80 = 160. Then 15% off 160: 160 × 0.85 = 136.
Common wrong answers
- If you answered 130
- 130 adds the discounts to 35% off the original; the second 15% is taken off 160, not 200.
- If you answered 160
- 160 stops after the first discount.
- If you answered 170
- 170 takes 15% off the original price only.
More Problem-Solving and Data Analysis questions
- Hard
The mean of five numbers is 12. If four of them are 8, 10, 14, and 16, what is the fifth number? - Hard
In a survey of 50 people, 30 like coffee, 20 like tea, and 8 like both. How many like neither? - Hard
A car travels at 60 mph for 2 hours, then 40 mph for 3 hours. What is its average speed for the whole trip? - Hard
Which statement correctly compares the standard deviations of the two sets? - Hard
Which statement best interprets the slope of the line of best fit? - Hard
How many milliliters of the 40% acid solution must the chemist add?
Not affiliated with the College Board. SAT is a trademark of the College Board.