Question

the price of an article is reduced by 10% by how much percent this value be increased to restore to its former valued at​

Answer 1

Answer:

10% should be increased

Answer 2

Answer:11 1/9

Step-by-step explanation:

           l Old      Decreased   New

%          100        10                 90

Actual  100          10

            New    Increase   old

%            100      x

Actual     90        10

x=100×10/90

x=100/9

x=11 1/9%