Question

20. The price of sugar rises by 25%. By how much percent should a householder reduce his consumption
of sugar, so as not to increase his expenditure on sugar?
appear​

Answer 1

Step-by-step explanation:

rate = 4 : 5

exp. = rate × consumption

1/1 = 5/4 × a/b

a/b = 4/5

1/5 ×100 = 20 % answer