- A36
- B112.5
- C40
- D30
Step-by-Step Solution
Combined rate = 1/45 + 1/180 = 4/180 + 1/180 = 5/180 = 1/36 of the set per day, so 36 days.
Answer: A) 36
Gita can embroider a set of cushion covers in 45 days and her apprentice needs 180 days for the same set. Working together, in how many days will they finish it?
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