<PRE><B>Question 823629</B>
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r/w = 8/3
r/w = (2x + 4)/x
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(2x + 4)/x = 8/3
2x + 4 = (8/3)x
4 = (8/3)x - 2x
4 = (8/3)x - (6/3)x
4 = (2/3)x
x = 4(3/2)
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answer:
x = 6
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