Question
40 liters of milk are kept in a container. 4 liters were
removed and replaced with water. This procedure was performed two more times. How much milk does the container now hold?Solution
we know .  remaining milk in the container = Original amount à [1- amount taken out /original amount] ⿠= 40[1-4/40] ³ =40[9/10] ³ =40 à 729 /1000 =29.16 liters
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