Asked by cathy
A horse galloped a mile in 2 min 35s. What was its average speed in km/h?
Answers
Answered by
bobpursley
change time to seconds. Then seconds to hours.
change mile to km.
avgspeed=distance/time=1mile/(2min35sec) or
= 1mile/(2min+35sec)*1min/60sec=
=1mile/(2*60+35)sec*3600sec/hr
=1mile*1.609 Km/mile
= 1.609km/155sec*3600sec/hr
=about less than 40km/hr.
change mile to km.
avgspeed=distance/time=1mile/(2min35sec) or
= 1mile/(2min+35sec)*1min/60sec=
=1mile/(2*60+35)sec*3600sec/hr
=1mile*1.609 Km/mile
= 1.609km/155sec*3600sec/hr
=about less than 40km/hr.
Answered by
Darnell
37.37
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