Roger can chop down 4 trees in an hour. How long does it take Vincent to chop down 4 trees?

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Roger can chop down 4 trees in an hour. How long does it take Vincent to chop down 4 trees?

1) Vincent spend 6 per day chopping down trees
2) Vincent takes twice as long as Roger to chop down trees

OA B
Source: — Data Sufficiency |