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8 April, 05:14

Two factory plants are making TV panels. Yesterday, Plant A produced

5000

fewer panels than Plant B did. Two percent of the panels from Plant A and

4%

of the panels from Plant B were defective. How many panels did Plant B produce, if the two plants together produced

1100

defective panels?

+4
Answers (1)
  1. 8 April, 05:23
    0
    B produced 20000 panels

    Step-by-step explanation:

    Plant A produced 5000 fewer panels than Plant B did

    A = B - 5000 eq1

    Two percent of the panels from Plant A and 4% of the panels from Plant B were defective:

    0.02A + 0.04B = 1100 eq2

    Solving the two equations:

    Put value of A from 1 in 2

    0.02 (B - 5000) + 0.04B = 1100

    0.06B - 100=1100

    0.06B = 1200

    B = 20000
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