Mathematics, 12.05.2021 23:30 luusperezzz

Natasha and Richard are marking exam papers. Each set takes Natasha 45 minutes and Richard 1 hour. Express the times Natasha and Richard take as a ratio. Give your answer in its simplest form.

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Natasha and Richard are marking exam papers. Each set takes Natasha 45 minutes and Richard 1 hour. E...