Selena and Josh were running in a race. Together they ran 36 miles. Josh ran half of the distance that Selena ran. How many miles did Selena run?
Thoughts? Step-by-step reasoning:
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Let J = Josh's distance. 2J = Selena's distance. J + 2J = 36. 3J = 36 miles. J = 12. 2J = 24 miles. Selena ran 24 miles.
Thus, the answer is 24.
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