kantabai bought 1 1/2 kg sugar from a shop. She paid rupees 50 as return fare for rickshaw. Total expense was rupees 700. Then she realised that by ordering online the goods can be bought with free home delibery at same price. So next month she placed the order online for 2 kg tea and 7 kg sugar. She paid rupees 800 for that. Find the rate of sugar and tea per kg.
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Total price of 11/2(5.5) kg sugar = 700-50 = 650
Thus, price of 1 kg sugar = 650/5.5 = Rupees 118.18
Now, price of 7 kg sugar = 7×118.18 = 827.26
Thus , price of 2 kg sugar = 900-827.26 = 72.74
Therefore, price of 1 kg sugar = 72.74/2 = 36.37 Rupees
Thus, price of 1 kg sugar = 650/5.5 = Rupees 118.18
Now, price of 7 kg sugar = 7×118.18 = 827.26
Thus , price of 2 kg sugar = 900-827.26 = 72.74
Therefore, price of 1 kg sugar = 72.74/2 = 36.37 Rupees
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