Question 772211
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12 km in 4 hours means 3 km in 1 hour, so it must take 3 and 1/3 hours to go 10 km.  1 hour is 60 minutes so 3 hours is 180 minutes plus 1/3 hour is 20 minutes, altogether 200 minutes.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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