MathProblem-Solving & Data Analysis
Practice
Percentages Practice
Original questions involving percent change, reversal, and successive factors.
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Question 1 of 2
Question 1
Medium
Correct answer\(15\%\)
Explanation
The increase is \(12\). Divide by the original value: \(12/80=0.15=15\%\).
Question 2 of 2
Question 2
Hard
Correct answer\(90\)
Explanation
The sale price is \(80\%\) of the original: \(0.80p=72\), so \(p=90\).
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Questions to review
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- Question 1Calculate percent changeMedium
- Question 2Find an original value from a percentageHard