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

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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 spends 6 hours per day chopping down trees.
2) Vincent takes twice as long as Roger to chop down trees.

OA B
Source: — Data Sufficiency |

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AAPL wrote:
Sun May 24, 2020 10:14 am
Princeton Review

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

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

OA B
Statement 1 is insufficient as we do not know how many trees Vincent cuts in 6 hours. Insufficient.

Statement 2 is sufficient as we know that Roger can chop down 4 trees in an hour; thus, Vincent would take 4*2 = 8 hours to cut 4 trees. Sufficient.

The correct answer: B

Hope this helps!

-Jay
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