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12 February, 11:23

A square garden is 12 feet long on each side. Janet needs to put a post at each corner. She also needs to put one every 3 feet on each side. How many posts does Janet need.

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  1. 12 February, 11:27
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    12ft = 4 posts

    4 x 4

    =16 - 4

    = 12

    There is 4 post on each side but there is an overlap so you must take off 4 so there is no overlap

    Therefore there are 12 posts
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