conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: 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?
conversations.from: assistant
conversations.value: Let J = Josh's distance
  2J = Selena's distance
  J + 2J = 36
  3J = 36 miles
  J = 12
  2J = 24 miles
  Selena ran 24 miles.