Asked by Sandy
Amanda can run 4/5 of a mile in 9 minutes.Express her speed as a unit rate in miles per hour.
Answers
Answered by
bobpursley
speed=distance/time=.8mile/9min*60min/hr=48/9 mi/hr=5.33 mi/hr
Answered by
Bosnian
1 h = 60 min
Speed = ( 4 / 5 ) mile * 60 min / 9 min
Speed = ( 4 / 5 ) * 60 / 9 =
4 * 60 / 5 * 9 =
240 / 45 =
2 * 2 * 2 * 2 * 3 * 5 / ( 3 * 3 * 5 ) =
2 * 2 * 2 * 2 / 3 =
16 / 3 miles / hour
Speed = ( 4 / 5 ) mile * 60 min / 9 min
Speed = ( 4 / 5 ) * 60 / 9 =
4 * 60 / 5 * 9 =
240 / 45 =
2 * 2 * 2 * 2 * 3 * 5 / ( 3 * 3 * 5 ) =
2 * 2 * 2 * 2 / 3 =
16 / 3 miles / hour
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