A container has 80 litres of pure orange juice. 8 litres are taken out and replaced with water, and the same step is repeated once more. How much juice is left (in litres)?

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Accepted Answer

64.8. Each step keeps 72/80 = 0.9 of the juice. After two steps: 80 × 0.9 × 0.9 = 64.8 litres.

A container has 80 litres of pure orange juice. 8 litres are taken out and replaced with water, and the same step is repeated once more. How much juice is left (in litres)?

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