Question

Melina and masuka,working together can complete a job in 9 days ,however ,masuka works ever and leaves after completing two fifth of a job .then Melina takes over and complete the remaining work by herself as a result the duo can complete the days in 19.5 days. how many days would Melina alone have taken the job,if masuka can work faster then her .​

Answer 1

Answer:

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