Question

Jack went up the hill and came down with a bucket three-fifth filled with water. The percentage of water left to be filled in the bucket is____​

Answer 1

Let the total amount of water be x

Amount of water in the bucket is 3x/5

Amount needed to be filled = 2x/5

So percentage of of water left to be filled in the bucket:-

$\frac{ \frac{2x}{5} }{x} \times 100\% \\ = \frac{2}{5} \times 100\% \\ = 2 \times 20\% \\ = 40\%$

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