Civil Service Exam Reviewer · Word Problems · hard
Joy can finish a job in 19 days and Tess in 13 days. They work together for 1 day(s), then Tess leaves. How many days in all does it take to finish the job?
- 7 23/32 days
- 16 7/13 days
- 16 days
- 17 7/13 days
Answer
D. 17 7/13 days
Solution
In 1 day(s) together they finish 32/247. Remaining 215/247 takes Joy 16 7/13 days. Total = 1 + 16 7/13 = 17 7/13 days.
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