Question

the price of an article has been reduced 10%. By how much per cent must the new price be increased to retain the original price​

Answer 1

Answer:

10%

Step-by-step explanation:

Let price be 100

then it's 10 % will be 10

C.P 100 - 10 = 90

ATQ

C.P + x% = 100

90 + x%=100

x%= 100 - 90

x% = 10

x = 10%

Hope it helps you