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Travka [436]
3 years ago
12

How do you work out 1tr of water for 5 how much for 7 people

Mathematics
1 answer:
Allushta [10]3 years ago
3 0
\bf \begin{array}{ccllll}
liters&folks\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
1&5\\
x&7
\end{array}\implies \cfrac{1}{x}=\cfrac{5}{7}\implies 7\cdot 1=x\cdot 5
\\\\\\
\cfrac{7}{5}=x
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