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5 May, 23:24

Andy drove 840 miles in 12 hours. How far could he drive in 3 hours

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  1. 6 May, 01:42
    0
    840mi. - 12 hrs

    x - 3 hrs

    This is a simple cross multiplying problem.

    840 _ 12

    x - - 3 ⇒12x=3 (840) ⇒ 4x=280 ⇒ x=70 miles

    :D
  2. 6 May, 01:55
    0
    210 miles in 3 hours
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