The price 3

The price of a notebook is 20 percent less than that of a book. By what percent is the book's price higher than the price of the notebook?

Correct answer:

p =  25 %

Step-by-step explanation:

r=100%20%=110020=0.8  a = r b b = a/r  p = 100   aba  p = 100   r bbr b p=100 r1r=100 54154=25%



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