Practice Flashcards: SAT Math — percentages, and which figure is the base | Zestly

Question 1

Base of a percentage change

Accepted Answer

The original value before the increase or decrease occurred.

Question 2

Why successive percentages do not add

Accepted Answer

Because the second percentage is applied to the new value resulting from the first change, not the original base.

Question 3

Working backwards from a discounted price

Accepted Answer

Divide the final price by the remaining percentage (e.g., if 20 percent off, divide by 0.80).

Question 4

Percentage vs percentage point

Question 5

Formula for percentage change

Question 6

Calculating 15 percent of a value

Question 7

Effect of a 10 percent increase then 10 percent decrease

Question 8

Finding the original value after a percentage increase

Question 9

Percentage of a percentage

Question 10

Common mistake in percentage change

Question 11

Percentage increase formula