(a) The perimeter of a rectangular plot of land whose length is (2x+5) m and width (x – 10) is 80 m. Find the

(i) value of x;
(ii) area of the plot;
(iii) cost of weeding the plot at GH¢ 0.24 per m2.

(b) Find the value of x and w in the diagram below if ¦AB¦ = ¦BC¦

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