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8_murik_8 [283]
3 years ago
8

What does it mean when a question number is circled in a textbook

Mathematics
1 answer:
RoseWind [281]3 years ago
5 0
This is only my opinion.  I could be wrong.

My guess is:

Somebody else used that book before you, maybe last year or
the year before, and it was somebody who didn't mind writing
in his book.

One day he didn't have time to write down the homework in his
assignment notebook, so he just circled the homework problems
in his textbook.

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What is the unit rate for 16 ounces (pint) at $3.93?
Juli2301 [7.4K]

Answer:

25 cents/ounce

Step-by-step explanation:

The unit rate means how much is one of the thing you are working with.  In this case, the unit rate of a pint (16 ounces) is how much just one ounce will cost.  So divide $3.93 by 16

$3.93/16 =  $0.245625

Since we're working with money, round to the nearest hundredth

Unit rate is $0.25 per ounce, or 25 cents per ounce

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Cameron's uncle is 3 times old as he is. 4 years ago, he was 4 times older. How old is Cameron?
erma4kov [3.2K]

Let Cameron be x years old now.

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<u>Now:</u>

Cameron = x

Uncle =3x

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<u>4 years ago:</u>

Cameron = x - 4

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<u>4 years ago, Uncle is 4 times older:</u>

3x - 4 = 4(x - 4)

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<u>Find x:</u>

3x - 4 = 4(x - 4)

3x - 4 = 4x - 16

4x - 3x = 16 - 4

x = 12

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<u>Find the age:</u>

Cameron = x = 12

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Answer: Cameron is 12 years old now.

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