Find out Sugar price increased by 20 percent, now 1 sugar price What was the initial sugar price per kg?

The price of sugar is decreased by 10%. By what percent can a person increase the consumption so that there is no change in the expenditure?

The total consumption of sugar was 20 kg per month for a family. As the price of sugar increased by 35%, the family reduced its consumption so that the expenditure on sugar is increased only by 8%. By how much was the consumption of sugar per month reduced due to increase in the price of sugar?