Price of milk has increased by 20%. To keep the expenditure unchanged, the prese

Question

Price of milk has increased by 20%. To keep the expenditure unchanged, the present consumption is to be reduced by :

Options:

A . 16$2/3$%

B . 18%

C . 20%

D . 10%

Answer: Option A
Answer: (a)
Using Rule 8,
Required percentage decrease
= $20/{100 + 20} × 100$
= $50/3 = 16{2}/3$%

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