###Human: At Peanut Emporium, peanuts cost $3 per pound with a 15-pound minimum. If Baxter spent $105 on peanuts, how many pounds over the minimum did he purchase?, ### Assistant: Start by figuring the number of pounds Baxter bought. $105 / $3 per pound = 35 pounds of peanuts
35 pounds bought - 15 pounds minimum = 20 pounds over. 
 So the answer is :  20