there is 80% acid and the rest is water in a mixture. find out how many mixture is drawn out and replace with same quantity of water to make the acid and water ratio to 4:3
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Answer:
2/7th
Step-by-step explanation:
Let the total quantity of mixture be 70 litres.
Therefore, Quantity of acid= 70*80/100= 56 litres
After replacement the quantity of acid
= 70*4= 40 litres
7
Therefore, [56-40]= 16 litres of acid is removed from the origin mixture.
Let x litres of the mixture is removed and replacement by water
= x*80/100= 16
= x= 20 litres
Therefore, Required part of the mixture= 20/70= 2/7
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