Driftwood

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  • #611271
    LevAryeh
    Member

    If you have to walk a given distance and every two steps, you take one step backwards, how many more steps will you have to take?

    I.e. If it would normally take you 100 steps, how many steps will it take you now?

    #987458
    WIY
    Member

    200?

    #987459

    300

    #987460
    Burnt Steak
    Participant

    100

    #987461
    ☕ DaasYochid ☕
    Participant

    driftwood

    #987462
    Yatzmich
    Member

    What’s the difference between an apple?

    #987463
    LevAryeh
    Member

    jewishfeminist02 – Closest answer. The real answer would be a 200% increase, minus two steps. Instead of 100 steps, you’d have to take 298 steps.

    #987464
    WIY
    Member

    Lab

    I think i’m right. My cheshbon is for every 2 steps there’s actually 4 steps because one back and one forward to get back to where you were so technically to get to that 100 steps it would be 2x the amount of steps. Prove to me that Im wrong.

    #987465
    LevAryeh
    Member

    WIY – you’re looking at it as a four-step sequence, in which case you’d be right. Since every two steps require another step, it is in fact a three-step sequence. Therefore (F – forward; B – backward):

    FFB,FFB,FFB,FFB,etc.

    So every three steps advance you the distance of one step.

    (Feel free to make jokes about FFBs.)

    #987466
    WIY
    Member

    LAB

    I think I hear u. But Why do it the longer way when you can do it my way?

    #987467
    pixelate
    Member

    this question sounds like it came off the LSATs

    #987468
    streekgeek
    Participant

    LOL pixelate. I was just thinking that. If it’s too easy to figure out, chances are you’re doing it wrong. Joe Bloggs rule #1 for those in the know…

    #987469
    LevAryeh
    Member

    WIY – It’s not an opinion thing. It is a clearly recognizable three-step pattern. You could ask better: Why do it the longer way when you can just not take backwards steps?

    pixelate & streekgeek – It’s not, I made it up.

    #987470
    streekgeek
    Participant

    Well then LAB, I suggest you apply to the College Board. I’ve always wondered what type of people make up those last few math questions. Now I know…

    #987471
    LevAryeh
    Member

    Right, because you know me.

    #987472
    the-art-of-moi
    Participant

    Really? LAB, you know streekgeek in real life? My goodness, what a privleged young man you are:)

    #987473
    farrockgrandma
    Participant

    Total 296 steps. After repeating the pattern 98 times, for 294 steps, you are two steps from the end. You then take two steps forward, and done. No need to take another step back.

    #987474
    streekgeek
    Participant

    TAOM – No need to take everything so literally. I don’t know anyone here in real life thank G-d, cuz if I did I wouldn’t be here.

    LAB – One request: Next time you post something like that, could you wait like 24 hours before saying the answer so I could actually use my brain? By the time I saw this thread the answer was up already… But at least I get to figure out who is right, you or farrockgrandma. I’m gonna work on it but it’s too early now…

    #987475
    LevAryeh
    Member

    Sorry about that, streekgeek. And I think farrockgrandma is indeed right!

    #987476
    #987477
    WIY
    Member

    Lab

    Maybe farrock is wrong because as you said you must keep the pattern in which case we are back to 300?

    #987478
    LevAryeh
    Member

    WIY – That would depend on whether every two steps require one backwards, or only if you want to advance more steps afterwards – as a prerequisite. I would assume the second makes more sense.

    #987479
    SanityIsOverrated
    Participant

    I want to examine this question from a different angle.

    What kind of person would take a step backward for every 2 steps already taken?

    Perhaps we’re talking about a child, in which case the math will anyways get confused somewhere between 11-90.

    Or maybe this is a severe case of OCD. I would recommend immediate hospitalization instead of trying to count his/her steps.

    There’s also the chance this question has ADD/ADHD roots. Here we will never really find an answer, because they sold out in the bookstore.

    All in all, I think this question needs to be rephrased to something more practical, so philosophers like me don’t notice it.

    #987480
    live right
    Member

    the driftwood is not coming any closer to the shore. its like a tease. you think its coming closer but then its suddenly far back and out of reach. you can calculate how many waves it rides, and how many waves it has yet to ride, but it will still remain out of reach when the tide comes in to drag it back out once more.

    #987481
    SanityIsOverrated
    Participant

    I do like this analogy better. It’s a great question for someone stranded on an island, or someone bored enough to care. At the moment I am neither, so good day to you all.

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