Caroline and Sarah are marking exam papers.
Each set takes Caroline 89 minutes and Sarah 2 hours.
Express the times Caroline and Sarah take as a ratio in its simplest form.
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Answeatasha 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 formr:
Step-by-step explanation:
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