Marking exam papers

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10 teachers can mark 180 exam papers in 3 hours. It takes each teacher the same amount of time to mark each exam paper. 

a) How many teachers would it take to mark 90 exam papers in 3 hours?

b) How long would it take 5 teachers to mark 180 exam papers?

c) How many exam papers could 20 teachers mark in 1 hour?

Comments

  1. Anonymous22 November 2021 at 21:30

    a) If it was 90 papers, this is less so the answer would be 5

    b) This is less teachers so it would be 1.5 hours

    c) 20 teachers would mark 360 exam papers in 3 hours but it is one hour so it would be 120 exam papers

    ReplyDelete

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