If 9 kg of sugar costs Rs. 166.50, how much sugar can be bought for Rs. 259 ?
Let x kg of sugar will be bought
Sugar : Cost :: Sugar : Cost
9 kg : Rs. 166.50 :: x kg : Rs. 259
(more amount, more sugar)
∴x=259×9166.50=259×9×10016650=14
∴ Sugar bought = 14 kg