SOLUTION: Sara runs at 20 ft/sec for a half hour every day. How far does she run in miles? (note 5280 ft=1 mile)

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Question 495351: Sara runs at 20 ft/sec for a half hour every day. How far does she run in miles? (note 5280 ft=1 mile)
Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
60 sec=1 min
in 1 minute she runs 20*60 ft or 1200 ft
in 30 minutes, she runs 30*1200 ft=36000 ft and this equals 36000/5280= 6.8 mi
Hope this helps---ptaylor