Problema Solution

Two factory plants are making tv panels. Yesterday, plant A produced 2000 panels. Five percent of the panels from plant A and one percent of the panels from plant B were defective. How many panels did plant B priduce, if the overall percentage of defective panels from the two plants was two percent.

Answer provided by our tutors

5 % of A is defective  i e 100 peices    total peices is 8000  i e 2 5 is defective i e 160

 

 b plant produce 6000 i e 1 % defective  i e 60  total defective is 160