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?
Start by figuring the number of pounds Baxter bought. $105 / $3 per pound = 
<gadget id="calculator">105/3</gadget>
<output>35</output>
35 pounds of peanuts
35 pounds bought - 15 pounds minimum = 
<gadget id="calculator">35-15</gadget>
<output>20</output>
20 pounds over.

<result>20</result>