A can do a piece of work in 15 days and b in 20 days .if they together work on it for 4 days , then the fraction of the work that is left is
Answers
Answered by
2
mark Brainlist answer
Attachments:
Similar questions
Science,
7 months ago
English,
7 months ago
Environmental Sciences,
7 months ago
Social Sciences,
1 year ago
Science,
1 year ago
Biology,
1 year ago