A can do a job in 9/2 days, and B in 9 days. How long will they take to complete the job together?
Answers
Answered by
3
Answer:
A=9/2 , B=9
9/2+9=27/2
Answered by
6
Answer:
9/2:9
9/2:18/2
4.5/9
1/2
therefore 3 days
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