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27 May, 18:42

A jeweler has five rings, each weighing 18g, made of 20% silver and 80% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 60%. How much silver should he add?

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Answers (2)
  1. 27 May, 19:00
    0
    Step-by-step explanation:

    the answer is 20 because 100% divided by 80% is 0.2 move the two up 2 places
  2. 27 May, 20:33
    0
    The correct answer would be 20
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