Pre-Algebra

If Dave drives t a steady speed of 50 miles per hour, how long will take him to drive 10 miles?

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  1. 10 is 1/5 of 50
    so, it will take him 1/5 hour

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  2. d = r * t = 10.
    50 * t = 10,
    t = 1/5 = 0.2 h.

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