FoxTrot by Bill Amend for January 25, 2009

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    gimmickgenius  over 15 years ago

    Who knew Peter was that smart? Putting a dollar sign in front of it ALWAYS makes math more interesting.

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    JerryGorton  over 15 years ago

    She’s a shopper!

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    RobinHd  over 15 years ago

    What gets me is, this is an actual Real Life application of algebra!!

    … and they said it couldn’t happen ….

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    JonD17  over 15 years ago

    Wow, Peter, where did that come from? Your teachers would fall out their chairs!

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    dcguys  over 15 years ago

    This is how we raised my nephew’s grade point by 1.5 when he was 11. We used money on the table, price lists of the toys/games he wanted, and his first savings account. His mom wasn’t happy that she had to help out with the savings account when he came home after his visit that summer but was pleased they didn’t have to spend so much time on homework anymore.

    Ahhh, the joys of being the uncle, not the parent.

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    ForeverAllstar  over 15 years ago

    Amend must be a math and science wonk, he uses it all the time

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    Machtyn  over 15 years ago

    ForeverAllStar: He is a geek. He spends his time playing World of Warcraft now. :)

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    tobybartels  over 15 years ago

    My algebra students can learn to handle the original problem, but nearly every one will freeze up at the sight of a word problem. It doesn't seem to matter whether it's about something that interests them.

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    mrprongs  over 15 years ago

    Paige is stupid and weird. She’s Steird.

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    R.Khalife  over 15 years ago

    peter knows how to speak paige’s lanuage..if only she realised the connection btween ther homework n his help :p both smart in thier own way :p

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    nokbbear  over 15 years ago

    simultaneous equations

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    bluetopazcrystal  over 15 years ago

    ForeverAllstar says:

    ForeverAllstar says:

    Amend must be a math and science wonk, he uses it all the time

    Bill has a Bachelors Degree in Physics. So there you go.

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    Geekologist  over 15 years ago

    Wrong Peter, shes stupid, but good at real life math.

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    Karptaz  over 15 years ago

    that was THE ONLY way my neice could do algebra was to turn everything into shoes and money - lol

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    wowfactor  over 15 years ago

    thanks, bill! keep teaching parents how to teach their kids by KNOWING them.

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    David Kannikal Premium Member over 15 years ago

    Am I the only one who was compelled to write the problem down and solve it? Had to dig deep in the brain vault for the balancing equations knowledge…

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    scbassist  over 15 years ago

    For all you algebra illiterate:

    2x + y - 60 = x + 2y - 75

    2x + y + 15 = x + 2y

    2x/y + 1 + 15/y = x/y + 2

    2x/y + 15/y = x/y + 1

    2 + 15/x = 1 + y/x

    1 + 15/x = y/x

    x + 15 = y

    x = y - 15

    2(y - 15) + y = 60

    2y - 30 + y = 60

    3y = 90

    y = 30

    x + 2(x + 15) = 75

    x + 2x - 30 = 75

    3x = 45

    x = 15

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    R.Khalife  over 15 years ago

    im sorry scbassist but johndrake made that math alot easier for me…altho i still say peters way may be the best way yet :p

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    farren  over 15 years ago

    Yeah, but scbassist’s will work even if the “y”s don’t cancel out.

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    SirTalksALot  over 15 years ago

    Another way to solve it

    2x + y = 60 –given

    y = 60 - 2x –solve for y

    x + 2y = 75 –given

    x + 2(60 - 2x) = 75 –replace y with 60-2x

    x + 120 - 4x = 75 –distribute 2

    120 - 3x = 75 –simplify

    120 = 3x + 75 –add 3x to both sides

    120 - 75 = 3x –subtract 75 from both sidex

    45 = 3x –simplify

    x = 15 –divide both sides by 3

    2x + y = 60 –given

    2(15) + y = 60 –replace x with 15

    30 + y = 60 –multiply

    y = 60 - 30 –subtract 30 from both sides

    y = 30 –simplify

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    farren  over 15 years ago

    Of course you can, that’s basic. JohnDrake, however, left off a lot of the steps, and didn’t solve for y at all. Not that he was wrong, but he was oversimplified.

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    PaulAtreides  over 15 years ago

    Pie = Good Math = Not Pie :(

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    kgadowsky  over 15 years ago

    Excellent to explain the disconnect in how we currently teach mathematics!

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    Rakkav  over 15 years ago

    The disconnect (it seems to me) lies in concrete versus abstract thinking. Paige can’t deal with algebra in abstract terms, but she can when she’s given a concrete problem. My mother was like that. I’m the reverse: abstractions are easy, it’s the concrete that’s harder.

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    BigAlanM  over 15 years ago

    Page’s thought process: From Peter’s statements in the third panel, exchanging 1 shirt for 1 sweater costs an extra $15 therefor exchanging the second shirt for a third sweater will make the bill $90. Sweaters obviously cost $30 apiece. Going back to the first statement and subtract 1 sweater and 2 shirts cost $30 or $15 apiece.

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    carriebethdunbar  over 15 years ago

    Shirt Math

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    n8cwhite  almost 8 years ago

    By going back to middle school.

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    Extension Cord  over 1 year ago

    That. Is. Easy!

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    kevinchang256  about 1 year ago

    Peter: You already solved it yourself. Paige: Huh? I did?

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