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What is ratio?

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  1. Introduction to What Is Ratio
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Examples
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Lessons
  1. Understanding Ratio Tables

    Fill in the blanks in the following ratio table.

    x y
    4
    8 14
    21
  2. Part-to-part Ratio Vs. Part-to-whole Ratio

    There are 14 boys and 16 girls in a particular class.

    1. Find the ratio of boys to girls.
    2. Find the ratio of boys to the whole class.
  3. Charlie bought 2 Superman action figures and they are 4.4 cm and 9 cm tall respectively. What is the ratio of the height of the smaller figure to the larger figure?
  4. Evaluate Ratios Involving Unit Conversion

    Betty and Mary participated in a 400 m sprint. Betty finished it in 1 min 40 sec while Mary finished it in 2 min 15 sec. What is the ratio of Mary's time to Betty's time?

  5. Determine the Scale of a Map (Ratio)

    The distance between two cities on a map is 4 cm. If the real distance between the cities is 28 km, what is the scale of the map?

  6. A Tyrannosaurus (a dinosaur) is 12.3 m in length. If a model was built using the ratio 1:15, what is the length of the model?
  7. Analyze Ratios of 3 Objects

    A bank wants to maintain the managers, analysts and tellers in the ratio 2:5:18. If 15 analysts were hired, how many managers and tellers should they hire?