Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 2: Percents; Lesson 4: The Percent Equation


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Independent Practice

Write an equation for each problem. Then solve. Round to the nearest tenth if necessary.

  • Question 7 (request help)

    Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchases?
  •    \(\text{books}\)
  • Question 8 (request help)

    A store sold 550 video games during the month of December. If this made up 12.5% of its yearly video game sales, about how many video games did the store sell all year?
  •    \(\text{video games}\)
  • Question 9 (request help)

    Persevere with Problems About 142 million people in the United States watch online videos. Use the graph that shows what type of videos they watch.


    a. About what percent of viewers watch comedy, jokes, and bloopers?
  •    \(\%\)
  • Question 9 (request help)

    b. About what percent watch news stories?
  •    \(\%\)

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