The total number of whole burger that Jarell should purchase to feed 20 people is 7.0 lbs.
Based on the information provided, we can deduce the following important parameters:
Thus, the total number of whole burger that is required to feed 20 people is given by:
Total number = number of attendees × fraction per person
Total number = 20 × 1/3
Total number = 6.7 ≈ 7.0 lbs.
Read more on fractions here: brainly.com/question/368260
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