SOLUTION: An inspector tested the first 125 radios that came off the production line today, and found only 60% acceptable. After the inspector tested 25 more radios, the overall percentage

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Question 912541: An inspector tested the first 125 radios that came off the production line today, and found only 60% acceptable. After the inspector tested 25 more radios, the overall percentage of acceptable radios rose to 62%. The number of these 25 radios that were rejects is
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
38% rejects overall
.38%2A150 = 57
.40*125 + x(25) = 57
25x = 57-50
x = 7/25 = .28 0r 28% of the 25 were rejects