IXL | Find the percent of change: word problems

Before the advance-purchase deadline, the cost of attending a particular event is $76. After that, the price goes up to $95. What is the percent of increase in the cost of the event?

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question

An accountant used to charge $68 per hour, but recently decided to charge $85 per hour. What was the percent of increase in the billing rate?

key idea

percent of change

amount of change

original amount

solution

Plug $68 and $85 into the formula for percent of change and simplify.

percent of change

amount of change

original amount

–

0.25

Write the number as a percent.

0.25

25%

The percent of increase in the billing rate was 25%.

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Lesson: Percent change

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Lesson: Percent change

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