Question #8a899

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Question #8a899

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Answer 1 · 2017-11-10T01:52:34

10m40s

Explanation:

3/4 of a mile, 8 mins $\to$ $->$ 1 mile, ? mins means multiplying by 4/3. $(\frac{3}{4} \to 1 = \frac{3}{4} \cdot \frac{4}{3})$ $(3/4->1=3/4*4/3)$

So $8 \cdot \frac{4}{3}$ $8*4/3$ = $\frac{32}{3}$ $32/3$ = 10 and $\frac{2}{3}$ $2/3$ minutes. $\frac{2}{3}$ $2/3$ of a minute is 40 seconds $:.$ it takes 10 mins 40 secs to run a mile.

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