Rachel is 4 years older than Leah. If the sum of their ages is 34, how old is Rachel?
Thoughts? Step-by-step reasoning:
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If Rachel and Leah have the same age, then the sum of their ages would be 34 - 4 = 30. So Leah would be 30 / 2 = 15 years old. Hence, Rachel is 15 + 4 = 19 years old.
Thus, the answer is 19.
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