Civil Service Exam Reviewer · Word Problems · hard
Ella can finish a job in 16 days and Jun in 9 days. They work together for 4 day(s), then Jun leaves. How many days in all does it take to finish the job?
- 5 19/25 days
- 4 8/9 days
- 8 8/9 days
- 12 1/2 days
Answer
C. 8 8/9 days
Solution
In 4 day(s) together they finish 25/36. Remaining 11/36 takes Ella 4 8/9 days. Total = 4 + 4 8/9 = 8 8/9 days.
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