Question
At first, a bucket contained 25 ℓ of water. Usha added another 13 ℓ of water into the bucket. Then she used 411 of all the water in the bucket. How much water did Usha use? Express your answer as a fraction in its simplest form.
4 m

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At first, a bucket contained 25 ℓ of water. Usha added another 13 ℓ of water into the bucket. Then she used 411 of all the water in the bucket. How much water did Usha use? Express your answer as a fraction in its simplest form.