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March 30, 2017

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The area of a certain rectangle is 288yd^2.the perimeter is 68yd.if you double the lengths and widths,what will be the new area and perimeter of the new rectangle be?

  • 7th Grade Math - ,

    p doubles
    a grows by 2^2 = 4x

  • 7th Grade Math - ,

    Whatever the original surface may be, if you double the length of a rectangle the surface will also be doubled. Just the same for the width.
    So doing both the operations, will multiply the surface by 2x2 = 4

  • 7th Grade Math - ,

    Jake ate 1/6 of the cookies. If he ate 5 cookies, How many cookies were there in all?

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