A has a 30% efficiency advantage over B. How long will it take them to do a project that A might have completed in 23 days if they worked together?
A. 11 days
B. 13 days
C. 20 3/17days
D. None of these
Answer:B
A has a 30% efficiency advantage over B. How long will it take them to do a project that A might have completed in 23 days if they worked together?
A. 11 days B. 13 days C. 20 3/17days D. None of these