Question
A shopkeeper mixes two types of milk costing rs 25per litre and rs 30per litre. if he sells 60litres of mixture for rs 1600, find the quantity of each type of milk.
Answers
If there are x liters of 25/L then we have the value of the milk as
25x + 30(60-x) = 1600
25x + 30(60-x) = 1600
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