- A17.5
- B15
- C20
- D18
Step-by-Step Solution
Together = 1/20 + 1/30 = 1/12 per day; in 5 days = 5/12 done; remaining 7/12; B alone days.
Answer: A) 17.5
A can do a work in 20 days and B in 30 days. They work together for 5 days, after which A leaves. In how many more days will B finish the remaining work? (answer in days)
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