A man buys milks at $85 per liter and dilutes it with water. He sells the mixture at the same rate at gains a 11.11%. Find the quantity of water mixed by hi in every liter of milk.

Correct answer marked below

0.111

Correct

0.909

0.1

0.125

0.9

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What this question tests

Your ability to reason about weighted averages and the composition of mixtures.

Averaging the percentages of two solutions without weighting by their volumes.