Question 1098426
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0.06*24000 + 0.02*b = 0.05*(24000+b)    (counting defective panels)  ====>


1440 + 0.02b = 0.05*24000 + 0.05*b

1440 + 0.02b = 1200 + 0.05*b

1440 - 1200 = 0.05b - 0.03b

240 = 0.03b  ====>  b = {{{240/0.03}}} = 8000.


<U>Answer</U>.  Plant B produces 8000 panels.


<U>Check</U>.  0.06*24000 + 0.02*8000 = 1600;  0.05*(24000+8000) = 1600.   ! Correct !
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