Civil Service Exam Reviewer · Word Problems · hard
Ramon can finish a job in 9 days and Pia in 8 days. They work together for 1 day(s), then Pia leaves. How many days in all does it take to finish the job?
- 4 4/17 days
- 6 7/8 days
- 7 7/8 days
- 8 1/2 days
Answer
C. 7 7/8 days
Solution
In 1 day(s) together they finish 17/72. Remaining 55/72 takes Ramon 6 7/8 days. Total = 1 + 6 7/8 = 7 7/8 days.
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