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aleksley [76]
1 year ago
8

At a school book fair, 3/5 of the books are nonfiction books. of the nonfiction books, 1/4 are animal books. what fraction of th

e book fair books are animal books? move numbers to the boxes to show the fraction.
Mathematics
1 answer:
bulgar [2K]1 year ago
5 0

Answer:

Animal books make up (3/20) of all books

Step-by-step explanation:

Let X be the total number of books, made up of nonfiction, animal, and all others.

(3/5)X are nonfiction books.

Of the nonfiction books, 1/4 are animal books:  (3/5)*(1/4)X = (3/20)X are animal books

[This means that Nonfiction, less animal books is:  (3/5)X - (3/20)X]

Animal books make up (3/20) of all books.

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ASHA 777 [7]

Answer:

About 113,097.34 units

Step-by-step explanation:

           The volume of a sphere can be found with the equation V = \frac{4}{3}πr³ when r is the radius.

V = \frac{4}{3}πr³

V = \frac{4}{3}π(30)³

V ≈ 113,097.34 units

3 0
2 years ago
Alejandra was working on an animal report for school. She worked on it for 4 hours in a week. How many hours did she work on the
Mandarinka [93]

Answer: 0.57 hours each day or 34.28 minutes each day.

Step-by-step explanation:

1. You know that:

-Alejandra worked on the animal report for school for 4 hours in a week.

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x=\frac{4hours}{7day}\\x=0.57\ hours/day

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3 years ago
How many times does 20 go into 168?
ch4aika [34]
The answer:

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7 0
3 years ago
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Answer:

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number of rows

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3 years ago
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