🧠 GRE Exam Prep

A tablet's price was increased by 10% in January and then decreased by 20% in February. If its final price in February was $440, what was its original price before the January increase?

A $400
B $480
C $500
D $550

✓ Correct Answer: Option C

Let P be the original price. After a 10% increase, the price is P * 1.10. After a 20% decrease, the price is (P * 1.10) * 0.80. So, P * 1.10 * 0.80 = $440. P * 0.88 = $440. P = 440 / 0.88 = $500.

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