A is four times efficient as b and both complete a work in 24days
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B=4A
B+A=24
4A+A=24
5A=24
A=24/5
A=4.8 DAYS
B+A=24
B=24-4.8
B=19.2
B+A=24
4A+A=24
5A=24
A=24/5
A=4.8 DAYS
B+A=24
B=24-4.8
B=19.2
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