A does 4/5 of a work in 20 days. he then calls in b and they together finish the remaining work in 3 days .how long b alone would take to do the whole work? select one: a. 23 days b. 37 days c. 37 days d. 40 days
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last part
b one day work =2/75
therefore b can complete the work in 75/2= 37.5 days
Step-by-step explanation:
37.5days
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