china19 china19
  • 11-10-2016
  • Mathematics
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A quality control inspector examined 500 light bulbs and found 20 defective . at this rate how many defective bulbs would would there be in a lot of 55,000?

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SilverWolf1234
SilverWolf1234 SilverWolf1234
  • 13-10-2016
2200 is the number of defective lightbulbs
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