Question
Julie had 210 marbles. Harry had 23 of what Julie had. After Julie used some of his marbles and Harry used 17 of his marbles, Julie had 12 as many marbles left as Harry.
  1. How many marbles did Harry have at first?
  2. How many marbles did Julie use?
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(a)

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(b)

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Julie had 210 marbles. Harry had 23 of what Julie had. After Julie used some of his marbles and Harry used 17 of his marbles, Julie had 12 as many marbles left as Harry.
  1. How many marbles did Harry have at first?
  2. How many marbles did Julie use?