Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys
Chapter 5: Proportions and Percent; MODULE QUIZ


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5.1 Percent Increase and Decrease

Find the percent change from the first value to the second.

5.2 Markup and Markdown

Use the original price and the markdown or markup to find the retail price.

5.3 Applications of Percent

  • Question 9 (request help)

    Mae Ling earns a weekly salary of $325 plus a 6.5% commission on sales at a gift shop. How much would she make in a work week if she sold $4,800 worth of merchandise?

  • $    
  • Question 10 (request help)

    Ramon earns $1,735 each month and pays $53.10 for electricity. To the nearest tenth of a percent, what percent of Ramon’s earnings are spent on electricity each month?

  •     %
  • Question 11 (request help)

    James, Priya, and Siobhan work in a grocery store. James makes $7.00 per hour. Priya makes 20% more than James, and Siobhan makes 5% less than Priya. How much does Siobhan make per hour?

  • $    
  • Question 12 (request help)

    The Hu family goes out for lunch, and the price of the meal is $45. The sales tax on the meal is 6%, and the family also leaves a 20% tip on the pre-tax amount. What is the total cost of the meal?

  • $    

Essential Question

  • Question 13 (request help)

    Give three examples of how percents are used in the real-world. Tell whether each situation represents a percent increase or a percent decrease.

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