A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in :
A. 9-1/3 days
B. 11 days
C. 12-1/4 days
D. 16-1/3 days
Answer: B.
A. 9-1/3 days
B. 11 days
C. 12-1/4 days
D. 16-1/3 days
Answer: B.
Time and Work
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