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Scilla [17]
4 years ago
13

Out of 840 discs tested, 38 are defective. Estimate the number of defective discs in a batch of 43,000.

Mathematics
1 answer:
ser-zykov [4K]4 years ago
3 0
485 Discs :)

If you want an explanation just ask.
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Answer:

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gtnhenbr [62]
45% of what number is 27

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