aliyahmorgan7186 aliyahmorgan7186

06-02-2024
Mathematics

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A milkman has 80% milk in this stock of 800 litres of adulterated milk. How much 100% pure milk is to be added to it so that purity is between 90% and 95%?
a) 320 litres
b) 400 litres
c) 480 litres
d) 560 litres

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