The tip
Today, Oct 23, is the regular registration deadline for the Nov 7 SAT (11:59 p.m. ET). Late registration with a fee runs to Oct 27. On percent questions, convert each change to a multiplier and multiply: up 20% is x1.20, down 20% is x0.80.
Try it
A jacket's price is increased by 20%, and the new price is then decreased by 20%. The final price is what percent of the original price?
- A80%
- B96%
- C100%
- D104%
Reveal answer
Answer: B. 96%
Multiply the factors: 1.20 x 0.80 = 0.96. So the final price is 96% of the original, 4% less. Example: $100 becomes $120, then $120 x 0.80 = $96.
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