<PRE><B>Question 945665</B>
x = hours Steve takes to paint the barn alone
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rate:
r = w/t
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rates are additive:
1/11 + 1/x = 1/7
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1/x = 1/7 - 1/11
x = 1/(1/7 - 1/11)
1/(1/7 - 1/11)
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x = 19.25
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