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Maurinko [17]
3 years ago
9

Please help me with this ​

Mathematics
1 answer:
True [87]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Nora had already read 30% of the book before her teacher assigned it to the class. She is choosing between two options to finish
guapka [62]

Answer:

Let p represent the # of pages in the book.  Then, Nora has already read 0.30p pages and has 0.70p pages left to read.

If she reads 25% pages/night, that means reading 0.25(0.70)p pages per night, or 17.5 pages/night.  If 28% p/n, that means 0.28(0.70)p pages/night, or 19.6p pages/night.

How many nights will it take Nora to finish the book if she reads 25% of 7/10 of the book per night?  Without any calculations, we can answer this by "4 nights, since she reads 1/4 of the unread portion of the book per night."

If she reads 28% of 7/10 of the book per night, that will require fewer nights:

First night:  28%

Second night:  28%  

Third night:  28%

 Total:  3(28%) = 84%

This leaves 16% to read on the final night.

This is one interpretation of what I think is a poorly worded question.

The author of this question might have meant reading 25% of the remaining unread pages per night, which leads to a different answer.

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3 years ago
Alex bought 9 2/3 pounds of hamburger meat for a cookout. He plans to make 1/3 pound hamburgers.What is the maximum number of 1/
sladkih [1.3K]
29 you divide 1/3 by 9 and add the extra 2
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Can someone please help me with this? ASAPPP
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<h2>43 cm.</h2>

Hope it helps you!

-miraculousfanx-

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Jennifer invests $10,000 at 7% simple interest. How much is in her account after 2years ?
kakasveta [241]

Answer:

70,000 i think

Step-by-step explanation:

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Step by step exploitation:
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