SOLUTION: two factory plants are making tv panels yesterday plant A produced 9000 panels 10% of the panels from plant A and 3% of the panels from plant B were defective how many panels from

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Question 1047627: two factory plants are making tv panels yesterday plant A produced 9000 panels 10% of the panels from plant A and 3% of the panels from plant B were defective how many panels from plant B were produce if the overall percentage of the defective panels from two planet were 6%
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be the number of panels from plant B. Then:
.1(9000)+.03(n)=.06(9000+n)
900+.03n=540+.06n
.03n=360
n=12000 panels produced by plant B. ☺☺☺☺