Each year, Terrell buys a plane ticket to visit his grandmother for a week. Last year, he paid $130. This year, he paid $169. What was the percent increase in the cost of his plane ticket? Show your work.

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Okay I think I know how to do this but I want to be sure...

would you do
Amount of change over the original amount = percent of change (P) over 100

%24.375 increase

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