
Francisco E. answered 05/30/14
Tutor
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Francisco; Civil Engineering, Math., Science, Spanish, Computers.
Y=5/8b+10 for b
Y = (5 + 80b)/8b
8bY = (5+80b)
8bY - 80b =5
8b(y -10) = 5
b = 5/(8(Y-10))