The price index is 270 in one year and 300 in the next.What is the inflation rate?

Name: The price index is 270 in one year and 300 in the next.What is the inflation rate?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The inflation rate can be calculated as: 
((New Price Index-Old Price Index)/Old Price Index) x 100
= ((300-270)/270) x 100
= 11.1 percent
Therefore, the best answer option is D, with an inflation rate of 11.1 percent.

The Price Index Is 270 in One Year and 300