The price 8

The price of a commodity has decreased by 10%. What is the percentage by which it should then be increased to get the original price?

Correct answer:

p =  11.1111 %

Step-by-step explanation:

r=100%10%=110010=0.9  (1+100p) r=1 (1+100p) 0.9=1  (1+p/100) 0.9=1  0.9p=10  p=0.910=11.11111111  p=910011.111111=11.1111%



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