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Colin and Dan are marking exam papers. Each set takes Colin 20 minutes and Dan 1 hour. Express the times Colin and Dan take as a ratio. Give your answer in its simplest form.
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Colin and Dan are marking exam papers. Each set takes Colin 20 minutes and Dan 1 hour. Express the times Colin and Dan take as a ratio.

Give your answer in its simplest form.

User Aaron Alton
by
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1 Answer

3 votes

Answer:

ratio= 20:60

20+60=80

User Mikepote
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