3 years ago

Can someone please explain how to do this?

Mathematics

1 answer:

wolverine [178]3 years ago

7 0

Answer: 15,000

Step-by-step explanation:

When you subtract 75,000-60,000, you will get 15,000 and 15,000 is the Variance.

Hope this helps! Thanks for asking.

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Step-by-step explanation:

The ratio of the number of fiction books is 9:4

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so if the number of fiction books = 9x

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