conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: Apples used to cost $1.6 per pound.  The price got raised 25%.  How much does it cost to buy 2 pounds of apples for each person in a 4 member family?
conversations.from: assistant
conversations.value: The price increase raised the price by 1.6*.25=$.4
  So each pound of apples cost 1.6+.4=$2
  2*4=8 pounds of apples are bought
  So the apples cost 8*2=$16