Question
Kimberly has thrice as many stamps as Natalie. After Natalie has bought another 55 stamps, Natalie has twice as many stamps as Kimberly. How many stamps does Natalie have at first?
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Kimberly has thrice as many stamps as Natalie. After Natalie has bought another 55 stamps, Natalie has twice as many stamps as Kimberly. How many stamps does Natalie have at first?