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rarekitten99
rarekitten99 rarekitten99
  • 29-02-2016
  • Mathematics
Answered

solving with percent and percent problems

In a factory 54650 parts were made. When they were tested .4% were found to be defective. How many parts were good?

Verified Answer :

20pala 20pala
  • 29-02-2016

well, if 0.4% was defected, then 99.6% of the parts are good, because 100-0.4 is 99.6. Multiply 99.6% with 54650, and you get 54431.4. You should round down, because you can't have parts of parts. So, 54431 parts were good.

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