Question

Peter can do a piece of work in 8 days, Sam in 10 days, and John in 16 days, Sam and John wc
together for 4 days and then John is replaced by Peter. Find when the work will be finished
ation
(I want answer with step wise plz) ​

Answer 1

Answer:

function of melatonin is to mediate dark signals and provide night information, a “hormone of darkness,” rather than be the hormone of sleep. It has also been thought to be an “endogenous synchronizer” that stabilizes and reinforces various circadian rhythms in the body.