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20 August, 02:26

Ben's driving test had 40 questions and he correctly answered 12 more than he missed. How many questions did he miss?

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  1. 20 August, 05:40
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    He missed 14 questions

    Step-by-step explanation:

    Total = Right + Miss ⇒ t = r + m

    Right = Miss + 12 ⇒ r = m + 12

    t = 40

    Since t = r + m and r = m + 12 then:

    t = m + 12 + m

    t = 2m + 12

    40 = 2m + 12

    28 = 2m

    m = 14
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