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Define x and y :
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Let one number be x and the other number will be x + 39
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Construct equation :
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When the big number divided by the smaller number, the quotient is 3 with 11 remaining
⇒

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Solve x :
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Find the numbers:
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small number = x = 14
big number = x + 39 = 14 + 39 = 53
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Answer: The smaller number is 14.-------------------------------------------