conversations.from: human
conversations.value: Break down this math problem: Carol has $60 and saves $9 per week. Mike has $90 and saves $3 per week. How many weeks before Carol and Mike both have the same amount of money?
conversations.from: assistant
conversations.value: Let x = the number of weeks.
  60 + 9x = 90 + 3x to set them equal.
  9x = 30 + 3x
  6x = 30
  x = 5
  In 5 weeks they will have equal money.