Question

26. The price of a notebook was increased by x%. To bring the price to the earlier level It had to be reduced by 16⅔% Find the value of x.
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Answer 1

Answer:

Price after increase = 100 + X

100 + X 100 × 100/100 - 16 , 2/3

100 + X = 100 × 100 /100 / 83 / 1/3

100 + X = 100 × 100 × 3 / 250 = 120

100 + X = 120%

x = 120 - 100 = 20%

= x = 20%

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