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Vesna [10]
3 years ago
15

A​ quality-control inspector examined 100 light bulbs and found 7 defective. At this​ rate, how many defective bulbs would there

be in a lot of 2500 ​bulbs?
Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer: 175 defective bulbs.

Step-by-step explanation:

1. Keeping on mind that the inspector examined 100 light bulbs and found 7 defective, you can calculate the number of defective bulbs that there would be in a lot of 2500 ​bulbs as following:

- Let's call the number of defective bulbs that there would be in a lot of 2500 ​bulbs x.

- Then, you have:

\frac{100}{7}=\frac{2500}{x}

- Solve for x:

 x=\frac{2500*7}{100}

x=175

2. Then, there would be 175 defective bulbs  in a lot of 2500 ​bulbs.


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