<PRE><B>Question 816273</B>
s = d / t
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down:
b + w = 54/3
b = 54/3 - w
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up:
b - w = (54)(2/3)/6
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b - w = 6
54/3 - w - w = 6
54/3 - 2w = 6
2w = 54/3 - 18/3
2w = 36/3
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Answer:
w = 12 mph
b = 6 mph
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