a worker can complete a task in 8 days and b completes in 10 daus
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It looks like your query is incomplete, please enter the valid information in your query.You can state that in comment section. This details will help us to get you the most filtered and appropriate results and also we can assist you with your query well.
But, If you are asking "In how many days they will complete work working together?"
Then its answer is 40/9 days.
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