a b c can do a piece of work in 1215 and 20 days respectively they began to work but she left after 2 days in what time will the remaining work be completed
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a=12
b=15
c=20
lcm=60
efficiency: a=5,b=4,c=3
5+4+3)×2=24 units done in 2 days
remaining=60-24=36
(5+4)x=36
x=4
4 days work will complete
please mark it as a brainliest answer
b=15
c=20
lcm=60
efficiency: a=5,b=4,c=3
5+4+3)×2=24 units done in 2 days
remaining=60-24=36
(5+4)x=36
x=4
4 days work will complete
please mark it as a brainliest answer
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