{
  "name": "Introduction to Rational Expressions",
  "order": 25,
  "challenges": [
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      "title": "Working with Rational Expressions",
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      "challengeSeed": [
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    {
      "id": "59a5801209a6acac5983a043",
      "title": "Simplifying Rational Expressions",
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    {
      "id": "59a5801209a6acac5983a044",
      "title": "Excluded Values for Rational Expressions",
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    {
      "id": "59a5801209a6acac5983a045",
      "title": "Restricted Domain and Range",
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}