Three friends

John, Peter, and Pablo each carried a 24 liters bucket full of water down the hill. After they reached the bottom, John's bucket was only 3/4 full, Peter's bucket was 2/3 full, and Pablo's was 1/6 full.
How many liters of water did they spill altogether on their way down?

Correct answer:

s =  34 l

Step-by-step explanation:

$$\begin{gathered} V=24\text{l} \\ q=\frac{3}{4}+\frac{2}{3}+\frac{1}{6}=\frac{9}{12}+\frac{8}{12}+\frac{2}{12}=\frac{9+8+2}{12}=\frac{19}{12}\doteq 1.5833 \\ s=3\cdot V-V\cdot q=3\cdot 24-24\cdot \frac{19}{12}=34\text{l} \end{gathered}$$

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