Mathematics, 18.02.2021 21:00 jjjp3993

20. In a factory the ratio of number of defective bolts produced to the number of good bulbs is 1 : 10.
In one hour the factory produced 330 bolts. Find
the number of defective bulbs produced by the
factory in an hour

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20. In a factory the ratio of number of defective bolts produced to the number of good bulbs is 1 :...

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