You start by dividing 60 by 3 which equals 20. There are 20, 3 ounces of peanuts, lol. That's a little confusing. Then take the 20 and multiply it by 2 which equals 40. If a batch has 60 ounces of peanuts it'll also have 40 ounces of cashews.
60/3=20
20*2=40
Your answer is 40 ounces.