the price of a notebook was increased by x%,to bring the price to the earlier level it had to be - Maths - Compound Interest

Question

the price of a notebook was increased by x%,to bring the price to
the earlier level it had to be reduced by 16 and 2/3 percent ,find
the value of x​

Varun Rawat · Accepted Answer

Let the original price of the notebook = Rs yRate of increase = x%Increase = x100×y = Rsxy100New price = Rs y + xy100Rate of decrease = 1623% = 503%Now, according to question     y + xy100 - 50300×y + xy100 = y⇒1 + x100 - 161 + x100 = 1⇒1  + x1001 - 16 = 1⇒1  + x100 = 65⇒x100 = 65 - 1⇒x100 = 15⇒x = 20

the price of a notebook was increased by x%,to bring the price to the earlier level it had to be reduced by 16 and 2/3 percent ,find the value of x​

the price of a notebook was increased by x%,to bring the price to the earlier level it had to be reduced by 16 and 2/3 percent ,find the value of x