10 kg of potatoes are bought for Rs. 70. Cost of 5 kg of potatoes (in Rs) is ___.

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Solution

Let, x be the cost of one kg of potatoes.
Price for 10 kg of potatoes is x $\times$ 10 =70.
So, x=70 $\div$ 10 = 7
Therefore, cost of 5 kg of potatoes = x $\times$ 5 = 7 $\times$ 5 = 35.

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10 kg of potatoes are bought for Rs. 70. Cost of 5 kg of potatoes (in Rs) is ___.

Let, x be the cost of one kg of potatoes. Price for 10 kg of potatoes is x×10 =70. So, x=70÷10 = 7 Therefore, cost of 5 kg of potatoes = x×5 = 7×5 = 35.

Let, x be the cost of one kg of potatoes.
Price for 10 kg of potatoes is x $\times$ 10 =70.
So, x=70 $\div$ 10 = 7
Therefore, cost of 5 kg of potatoes = x $\times$ 5 = 7 $\times$ 5 = 35.