If the length of a rectangle is increased by 33.33% and its breath is decreased by 45%, then find the percentage of change in its area.
Answer & explanation
Correct answer: option 3
+33.33% = \(\frac{1}{3}\)
-45% = \(\frac{9}{20}\)
change in length = 3-----------4
change in width= 20---------11
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Total effect: 60--------44
change in area = \(\frac{16}{60}\) × 100 = 26.66% decrease