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A and B in the 400-meter circular track running across the same 1-minute encounter to run a reverse
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glgl110110110
2010-01-31 01:01:34 +0000
#1
with the one dollar linear equation problem solving
ordinary letter-
2010-01-31 01:09:26 +0000
#2
A rate-based X B Y meters per second for
40 * (X + Y) = 400
60 * (XY) = 400
solution was X = 25 / 3
Y = 5 / 3
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