So if its three dollar's a pound and you buy six pounds you just Time's six, -which is the number of pounds you gave me- Times three -this will get you the cost of every pound.-
6 x 3 = p the whole amount for 6 pounds of you're dear roasted peanuts ^.^
Also just so you wont waste time doing the work the answer is $18.
Hopefully this helps ^0^ Mark Brain