7. A can do a piece of work in 20 days and B in
15 days. They worked together on it for 6 days
and then A left. How long will B take to finish
the remaining work?
Answers
Answered by
3
Answer:
23
Step-by-step explanation:
20+15=35,
35-12(6+6=12)=23
Answered by
0
Step-by-step explanation:
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