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At an agricultural research station a rectangular plot is to be allocated for a certain experiment. The length of the plot must be greater than the breadth but not more than twice the breadth. The area must be more than #400m^2# and the perimeter must be less than 200m.
(a).Form inequalities representing the above information and graph them on the grid provided.
(b) .The plot must also be exactly divisible into the sub plots of 10m by 10m, determine the size of plot which will give maximum area.