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Type: Problem Solving

Difficulty: 4 star rating

Alfred can do a piece of work in 6 days on his own and Bob can do the same piece of work in 5 days on his own. They both start working together on the piece of work but after 1 day, Bob quits. How many days will the piece of work take from start to finish?

\[2\]
\[3 \frac{4}{5}\]
\[4 \frac{4}{5}\]
\[5 \frac{4}{5}\]
\[6\]