Civil Service Exam Reviewer · Word Problems · hard
Hazel can finish a job in 11 days and Ben in 14 days. They work together for 3 day(s), then Ben leaves. How many days in all does it take to finish the job?
- 6 4/25 days
- 8 9/14 days
- 5 9/14 days
- 12 1/2 days
Answer
B. 8 9/14 days
Solution
In 3 day(s) together they finish 75/154. Remaining 79/154 takes Hazel 5 9/14 days. Total = 3 + 5 9/14 = 8 9/14 days.
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