liam can do a piece of work in 15 days and nolan in 20 days .if they work on it together for 6 days then find the fraction of the work that if left
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fixos
Step-by-step explanation:
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Answer:
Step-by-step explanation:
A can do work in 15days so each day A do 1/15th part of total work
similarly each day B do 1/20th part of total work
each day they both together do 1/15+1/20 part
so in 4 days they will do 4(1/15+1/20) part
4(4+3/60)=7/15
work left=8/15
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