Respuesta :

300miles/20sec=?miles/1min
900miles/60sec=?miles/1min
900miles/1min=?miles/min
?=900 miles
ER901
Answer: 900 mi/1 min


Multiple 20 sec by 3 to get its equivalent in minutes, which is 60 sec.


300 mi 3 900 mi
----------- * ----- = -----------
20 sec 3 60 sec


If 20 sec three times is 60 sec, than 300 mi three times is 900 mi.

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