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A alone would take 4 hours more to complete a job than both A and B would together. If B worked alone, he took..........

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A alone would take 4 hours more to complete a job than both A and B would together.
If B worked alone, he took 9 hours more to complete it than both A and B worked together.
What time would they take if both worked together?

posted Jan 25, 2022 by Prachi Sharma

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