Problema Solution
Two factory plants are making tv panels. Yesterday plant A produced 4000 fewer plants than plant B did. 3% of the plant from plant A and 5% of panels from plant B were defective. How many panels food plant A produce if the two plants together produced 1320 defective panels?
Answer provided by our tutors
let
a = the number of panels produced in plant A
a + 4000 = the number of panels produced in plant B
3% of the panels from plant A and 5% of the panels form plant B were defective and the plants together produced 1320 defective panels
0.03a + 0.05(a + 5000) = 1320
by solving we find
a = 13,375 panels
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plant A produced 13,375 panels.