Fred and Barney fill egg cartons with eggs. Fred just started the job and can fill only 20 cartons an hour. Barney has significant on-the-job experience and can fill 40 cartons an hour. Both Fred and Barney work 40 hours a week. Fred's average weekly productivity is ________ cartons; Barney's average weekly productivity is ________ cartons; and as a team their average weekly productivity is ________ cartons.
A. 800; 1,600; 1,200
B. 20; 40; 30
C. 800; 2,000; 1,600
D. 20; 40; 60
Answer: A
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