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Roger could feed 5 walruses with 4 kilograms of fish. How many walruses could he feed with 7.2 kilograms of fish?
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Roger could feed 5 walruses with 4 kilograms of fish. How many walruses could he feed with 7.2 kilograms of fish?

User Andrej Kikelj
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\bf \begin{array}{ccll} walruses&Kgs\\ \cline{1-2} 5&4\\ w&7.2 \end{array}\implies \cfrac{5}{w}=\cfrac{4}{7.2}\implies 36=4w\implies \cfrac{36}{4}=w\implies 9=w

User Bram De Geyter
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