Plz find the following question the answer written in my book is 8/15
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one day work of both and B =1/15+1/20=35/300=7/60
now 4 day work of sand B = 4*7/60=7/15
now work left = 1-7/15= 8/15
now 4 day work of sand B = 4*7/60=7/15
now work left = 1-7/15= 8/15
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My answer is 8/15th work will be left .
plzz mark it as a brainliest answer
plzz mark it as a brainliest answer
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