# Workers

Two workers A and B, will be done work together for 15 days. They worked together for 13.5 days. Then A worker became ill, and worker B finish the job alone for 7.5 days.

If every worker was working alone, how many days took whole work for worker A and B?

If every worker was working alone, how many days took whole work for worker A and B?

### Correct answer:

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