Working alone at their respective constant rates, A can complete a task 'a' days and B in "b" days. They take turns in doing the task with each working 2 days at a time. starts they finish the task in exactly 10 days. If B starts, they take half a day more. How long does it take to complete the task if they both work together?

Created: 3 months ago | Updated: 3 months ago

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