Given Situation: Jack shells 315 peanuts in 15 minutes. Let’s analyze this given situation to be able to get the correct unit rate that we need: In 15 minutes Jack was able to shell out around 315 peanuts. Now, let’s see how many peanuts he can shell in every minute. => By simply dividing 315 by 15 , we can get the correct answer. => 315 peanuts / 15 minutes => 21 peanuts per minute. Thus, Jack can shell out 21 peanuts / minute.