1.

Price of a book decreases from 90 to 54. Find the percentage decrease in the priceof the book.full calculation please anyone can help​

Answer»

Price of a book decreases from 90 to = 54

DECREASE = 90 - 54 = 36

Decrease % = decrease ÷ ORIGINAL price × 100

                     = 36 ÷ 90 × 100 = 40 % Ans.

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