Percent of Change

Practice Questions

ACT Math › Percent of Change

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1

Danielle has two jobs. Her retail job pays her $8.50 per hour and she works 20 hours per week in that job. Her office job pays her $12 per hour and she works 15 hours per week in the office. If she starts working an extra 10 hours a week at her office job, what is her percentage increase in total weekly pay? Round to one decimal point.

2

On a given day, the temperature ranges from a low of to a high of . What is the percent increase of temperature from the day's low to high temperature? Round to the nearest integer.

3

Danielle has two jobs. Her retail job pays her $8.50 per hour and she works 20 hours per week in that job. Her office job pays her $12 per hour and she works 15 hours per week in the office. If she starts working an extra 10 hours a week at her office job, what is her percentage increase in total weekly pay? Round to one decimal point.

4

On a given day, the temperature ranges from a low of to a high of . What is the percent increase of temperature from the day's low to high temperature? Round to the nearest integer.

5

What is the percent increase from of a number to of that same number?

6

What is the percent increase from of a number to of that same number?

7

The price of a particular metal raises from to . What percent increase did the price see?

8

The price of a particular metal raises from to . What percent increase did the price see?

9

A particular stock gains on its price on Tuesday. On Wednesday, it loses of its new price. On Thursday, it gains on Wednesday's price. What is the percent increase at the close of business Thursday, compared to the opening price on Tuesday? Do not round until the final answer.

10

A particular stock gains on its price on Tuesday. On Wednesday, it loses of its new price. On Thursday, it gains on Wednesday's price. What is the percent increase at the close of business Thursday, compared to the opening price on Tuesday? Do not round until the final answer.

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