sentence1: If Martin returned two packet to the retailer , and the average price of the remaining millk packet was 12 ¢ , then what is the average price , in cents , of the two returned milk packets ?
sentence2: If Martin returned two packet to the retailer , and the average price of the remaining millk packet was less than 12 ¢ , then what is the average price , in cents , of the two returned milk packets ?