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Problem-Solving and Data Analysis Difficulty: Hard

210 is p% greater than 30 . What is the value of p ?

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Explanation

The correct answer is 600 . It’s given that 210 is p% greater than 30 . It follows that 210=1+p10030. Dividing both sides of this equation by 30 yields 7=1+p100. Subtracting 1 from both sides of this equation yields 6=p100. Multiplying both sides of this equation by 100 yields p = 600 . Therefore, the value of p is 600 .