The King constrained the length of a rectangle by 25%. How much we want to reduce the width of the area to keep the goods
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Original area = 100 * 100 = 10000
length = 100
wide = 100
length has been changed to 125 but we want to keep the area same. so wide must be decreased.
125 * x = 10000
x = 80. ( wide)
So, 20% of the original wide must be decreased.
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