Homework Help: Algebra

Posted by Kevin on Friday, November 16, 2012 at 2:13am.

Jamie ran two laps around a track in 99 s. How long did it take him to run each lap if he ran the first lap at 8.5 m/s and the second at 8.0 m/s?

Algebra - Steve, Friday, November 16, 2012 at 10:48am
if the times are x and 99-x, then since the distances are equal, then

8.5x = 8.0(99-x)
x = 48

the laps took 48 and 51 seconds

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