Jack had 24 more marbles than raymond initially. After jack lost 26 marbles, Raymond had twice as many marbles as Jack. Find the number of marbles Jack had initially.

 

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J=number of marbles Jack had originally. Raymond had J-24 marbles initially. So J-24=2(J-26) after Jack lost 26 marbles. Therefore, J-24=2J-52, 52-24=J, J=28. Jack had 28 marbles initially.
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