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OG Joe and Sally

This topic has 4 expert replies and 0 member replies
AbeNeedsAnswers Master | Next Rank: 500 Posts Default Avatar
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OG Joe and Sally

Post Wed Jul 19, 2017 10:19 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

    A) 0
    B) 1
    C) 2
    D) 3
    E) 4

    D

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    Post Wed Jul 19, 2017 10:28 pm
    AbeNeedsAnswers wrote:
    Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

    A) 0
    B) 1
    C) 2
    D) 3
    E) 4

    D
    So, you have a problem with the interpretation of "Sally grew 200% more than Joe grew."

    It means that Sally grew 200% more than 1 inch.

    Thus, Sally's growth = Original + More

    Original = 1
    More = 200% of Original = 200% of 1 =

    Sally's growth = 1 + 200% of 1 = 1 + (200/100)*1 = 1 + 2*1 = 3.

    The correct answer: D

    Hope this helps!

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    Post Thu Jul 20, 2017 11:57 am
    Hi AbeNeedsAnswers,

    Sometimes Test Takers get confused by questions that use the phrase 'percent greater' or 'percent less', so it can be helpful to come up with simple examples to confirm that "your answer" is the correct one.

    We're told that Joe grew 1 inch and that Sally grew 200% MORE than Joe did. We're asked for the number of inches that Sally grew.

    IF.... Sally grew the same as Joe did, then she would have grown 1 inch
    IF.... Sally grew 100% more than Joe did, then she would have grown 1+1 = 2 inches
    IF.... Sally grew 200% more than Joe did, then she would have grown 1+2 = 3 inches

    Final Answer: D

    GMAT assassins aren't born, they're made,
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    Post Sun Jul 23, 2017 3:27 pm
    Joe and Sally? I feel like I've walked into a time warp, come on OG!

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    Post Tue Jul 25, 2017 11:00 am
    AbeNeedsAnswers wrote:
    Last year Joe grew 1 inch and Sally grew 200 percent more than Joe grew. How many inches did Sally grow last year?

    A) 0
    B) 1
    C) 2
    D) 3
    E) 4
    If Joe grew 1 inch and Sally grew 200 percent more than Joe, she grows 300 percent as much as Joe. Thus, she grew 1 x 3 = 3 inches.

    Answer: D

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