if the price of sugar rises from rs . 2 per kg to rs . 5 per kg , a person , to have no increase in the expenditure on sugar , will have to reduce his consumption of sugar by
"sol . let the original consumption = 100 kg and new consumption = x kg . so , 100 x 2 = x × 5 = x = 40 kg . ∴ reduction in consumption = 60 % . answer e"
multiply(subtract(const_1, divide(multiply(const_1, 2), 5)), const_100)