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    graphic_mind18's Avatar
    graphic_mind18 Posts: 2, Reputation: 1
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    #1

    Nov 11, 2008, 04:15 AM
    Inequality analyzing
    I tried and tried to understand the problem but I still couldn't get it.

    The length of a rectangle is 8 cm. longer than its width. If each dimension were 4 cm greater, the area would be no less than 128m^2 more. Find the least dimension of the rectangle.

    Let x-the width
    Let x+8-the length

    I couldn't form the inequality with this, so help... I have no problems with solving, it's the analyzing... :(
    You don't really need to solve... =]
    thanks.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Nov 11, 2008, 03:24 PM

    The inequality is in the phrase "the area would be no less than 128m^2 more." Another way to say this is: "the area would be equal to or greater than the original area plus 128 cm^2." So you get an equation like this:

    Area of large rectangle >= Area of original rectangle + 128

    Hope this helps.
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