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Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Extra Practice  

Copy and Solve For Exercises 9-17, show your work and answers on a separate piece of paper.

  • Question 9 (request help)

    As each person entered the theater, Aaron counted how many of the 105 people had popcorn and how many had a drink. He found that out of 84 people that had popcorn, only 10 did not have a drink. Six people walked in without popcorn or a drink. Construct a two-way table summarizing the results.

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  • Question 10 (request help)

    The two-way table shows the number of Sasha's soccer teammates that are in her Math class and English Class.

    a. How many teammates does Sasha have?

  •     teammates
  • Question 10 (request help)

    b. What is the relative frequency of teammates that are in both of Sasha's classes to all of her teammates?

  •    
  • Question 10 (request help)

    c. Of the teammates in her math class, which percentage is greater: the percentage of teammates that are in her English class or the percentage of teammates that are not in her English class?

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  • Question 11 (request help)

    The table shows the places that males and females volunteered in the past month. Do a greater percentage of males or females volunteer at the animal shelter? Justify your response.

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  • Question 12 (request help)

    Use Math Tools Cali surveyed the students in the cafeteria about the number of times they bring their lunch to school per month. The table shows her findings. Construct a two-way table that shows the relative frequencies by columns. What is the relative frequency of the number of girls that bring their lunch to school less than 6 times a month to the total number of students surveyed? Round to the nearest hundredth if necessary.

  • The relative frequency is    
  • Question 13 (request help)

    A pet store conducted a survey on the types of pets owned by the store's costumers. Construct a two-way table summarizing the data. Then find and interpret the relative frequencies by columns.

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