Multiple choice

In a school, there are 'c + 8' students, and their average weight is 28 kg. If d additional students with an average weight of 55 kg are included, the class's average weight increases by 5 kg. If d + 2 more students with an average weight of 42 kg join, the average weight of the class increases by 3 kg. Find the value of 4(c - d).

  1. 148

  2. 130

  3. 104

  4. 102

  5. 100
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C Correct answer

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