Question 49004
Length = 8x
Width = x
Decreased length = 8x-10
Decreased width = x-2
Original area = (8x)(x)={{{8x^2}}}
Decreased area = {{{8x^2-162}}}
EQUATION:
{{{(8x-10)(x-2)=8x^2-162}}}
{{{8x^2-16x-10x+20=8x^2-162}}}
-26x=-182
x=7
8(7)=56
Hence, the width is 7m and the length is 56m.
Paul.