Question 1046847: Two factory plants are making TV panels. Yesterday, Plant A produced
8000
panels. Six percent of the panels from Plant A and
2%
of the panels from Plant B were defective. How many panels did Plant B produce, if the overall percentage of defective panels from the two plants was
3%
?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Two factory plants are making TV panels. Yesterday, Plant A produced
8000 panels. Six percent of the panels from Plant A and
2%of the panels from Plant B were defective. How many panels did Plant B produce, if the overall percentage of defective panels from the two plants was 3%?
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Quantity:: A + B = 8000
Defectie:: 0.06A + 0.02B = 0.03*8000
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Modify for elimination:
6A + 6B = 6*8000
6A + 2B = 3*8000
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Substract and solve for "B"::
4B = 3*8000
B = 6000 (# of panels B produced)
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Cheers,
Stan H.
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