tiffanyJohnson tiffanyJohnson

24-09-2014
Mathematics

Answered

The perimeter of a rectangular slab of concrete is 24 meters. If the length of the rectangular slab is 2 meters longer than its width, what is the width of the slab?

Answer :

24-09-2014

[tex]x-\ length\\\\ (x-2)\ -\ width\\\\ Formula\ for\ perimeter\ of\ rectangle:\\\\ Perimeter=2length+2width\\\\ Perimeter=24m\\\\ 24=2x+2(x-2)\\\\ 24=2x+2x-4\\\\ 24=4x-4\ \ \ |Add\ 4\\\\ 28=4x\ \ \ | Divide\ by\ 4\\\\ x=7\\\\ Width\ is\ equal\ to\ 5m. [/tex]

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