Homework Help: Math

Posted by Meherin on Wednesday, February 25, 2009 at 4:47pm.

This is the question.

In 1991, an American, Ann Trason, set a world record by running 100 km in 7hr,50min,09sec.

What is the best estimate of her average speed?
A.12 km per hour
B.14 km per hour
C.16 km per hour
D.18 km per hour

how do u figure this out? im stuck on this. im very thnkful 2 u if u just show me wat i m supposed to do. thx again :)

Math - Damon, Wednesday, February 25, 2009 at 4:48pm
that is about 8 hours
100 km / 8 hours = about 12 and a half
Math - Meherin, Wednesday, February 25, 2009 at 5:04pm
thnk u.

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