The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run?

Mathematics

1 answer:

Sophie [7]3 years ago

3 0

9/20 miles a minute or .45 miles a minute

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Let the required number is 2x ,

According to the condition,

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$= > 10 \times ( \frac{2x}{2} + 6) = 8 \\ \\ \\ = > 10 \times (x + 6) = 8 \\ \\ \\ = > 10x + 60 = 8 \\ \\ \\ = > 10x = 8 - 60 \\ \\ \\ = > 10x = - 52 \\ \\ \\ = > x = - \frac{ 52}{10} \\ \\ \\ = > x = - 5.2$

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