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Q.

A bag of 10kg of rice costs Rs 185. ____ will be the cost of 8 kg of rice.


Chapter/Topic:  Pair Of Linear Equations In Two Variables


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Detailed Solution

10 kg of rice cost =185 Rs.
Now, we know the cost of 10 kg rice is Rs 185, so let’s try to find out how much each kg or 1 kg of rice would cost.
1 kg of rice cost = 18510 =18.5Rs
Now that we know the rate of rice i.e. Rs. 18.50 per kg., let us compute the cost of 8 kg of rice as per the question.
The cost of 8 kg of rice will be found by the product of weight (kg) and rate per kg.
 8kg of rice cost =18.5×8
8 kg of rice cost =148 Rs.
 
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