jasonlawrence28131 jasonlawrence28131
  • 19-03-2024
  • Mathematics
contestada

A is 30% more efficient than B. much time will they, working together, take to complete a job which A alone could have done in 23 days?
a. 13 days
b. 20 3/17 days
c. none of these
d. 11 days

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