SOLUTION: In a downhill ski race, Margo posted a time of 2 minutes and 24 seconds for a course 2.1 miles long. How many miles per hour did she average for the race?

SOLUTION: In a downhill ski race, Margo posted a time of 2 minutes and 24 seconds for a course 2.1 miles long. How many miles per hour did she average for the race?

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Question 501723: In a downhill ski race, Margo posted a time of 2 minutes and 24 seconds for a course 2.1 miles long. How many miles per hour did she average for the race?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
In a downhill ski race, Margo posted a time of 2 minutes and 24 seconds for a course 2.1 miles long. How many miles per hour ?
:
Change 2 min 24 sec to 144 sec
:
= 68.57 sec/mi
:
Convert to mph (3600 sec in 1 hr)
= 52.5 mph
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