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

H.O.T. Problems Higher Order Thinking

  • Question 14 (request help)

    Model with Mathematics Write a percent problem for which the percent is greater than 100 and the part is known. Use the percent equation to solve your problem to find the whole.

  • Question 15 (request help)

    Persevere with Problems If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number.

  • Question 16 (request help)

    Reason Abstractly A museum has 50 pieces of art to display in an exhibit. Of these, 11 are photographs and 39 are color paintings. The manager wants to add more photographs so that they represent 25% of the pieces of art at the museum. Write and solve an equation to find the number of photos to be added. Then find the total number of pieces of art in the exhibit.

  •     pieces of art.
  • Question 17 (request help)

    Reason Inductively Explain when it might be more efficient to use the percent equation rather than the percent proportion.

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