conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: The school band is having a car wash to raise money. Their goal is to collect $150. So far they have earned $10 each from three families and $5 each from 15 families. How much more money do they have to earn to reach their goal?
conversations.from: assistant
conversations.value: The school band earned $10/family * 3 families = $30 from three families.
  The school band earned $15/family * 5 families = $75 from 15 families.
  The school band earned $30 + $75 = $105 total.
  The school band needs $150 - $105 = $45 more to reach their goal.