12 A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the facto
produces 630 bulbs per day, find the number of defective bulbs produced each day.
13. Find the ratio of the price of a pencil to that of a ball pen if pencils cost 96 per score ar
ball pens cost 50.40
per
dozen.
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Answer:
Number of defective bulbs in 630 bulbs will be 63
Step-by-step explanation:
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