SOLUTION: A quality control inspector examined 100 lightbulbs and found 7 of them to be defective. At this rate, how many defective bulbs will there be in a lot of 2500?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A quality control inspector examined 100 lightbulbs and found 7 of them to be defective. At this rate, how many defective bulbs will there be in a lot of 2500?       Log On


   

Question 243218: A quality control inspector examined 100 lightbulbs and found 7 of them to be defective. At this rate, how many defective bulbs will there be in a lot of 2500?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
7/100=x/2500
100x=17500
x=175