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Old 11-09-2007, 04:44 AM
KikoSanchez KikoSanchez is offline
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Join Date: Nov 2005
Posts: 55
Default Re: Middle School Math

Yes, I think it is easiest to keep variables out. Just basic division and multiplication should do:

2 + 2.5 = 4.5 they complete 4.5m/s
20 / 4.5 = 4.44s thus, taking them 4.44s of walking
4.44s * 2 = 8.88m 4.44s of walking @ 2m/s = 8.88m
4.44s * 2.5 = 11.1m 4.44s of walking @ 2m/s = 11.11m
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