- A7 1/3 days
- B7 1/2 days
- C8 days
- D7 days
Step-by-Step Solution
Pair: . 3 pairs: . Day 7 (B): . Day 8 (A, 3 parts) needs 1: day.
Answer: A) 7 1/3 days
A (6 days) and B (9 days) work on alternate days, B first. How many days does the job take?
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