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zhenek [66]
3 years ago
12

Adding parentheses and brackets

Mathematics
1 answer:
eduard3 years ago
5 0

Answer:

what is the question

Step-by-step explanation:

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If 40% of a given number is 8, then what is 15% of the given number?
Norma-Jean [14]
40% of a given number is 8...
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Write the following phrase<br> as an<br> inequality: 3 more than twice n is at most 50.
Margarita [4]

Step-by-step explanation:

3 more than twice n = 3+2n

3 more than twice n is atmost 50,

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7 0
3 years ago
Read 2 more answers
Kamila buys a notebook for $1.59 and pens for $0.29 each. She spends $5.07.
emmasim [6.3K]

Answer:

12 pens

Step-by-step explanation:

Let the variable that can be used to determine the number of pens that Kamila bought be represented by n.

Price of a notebook = $1.59

Price a pen = $0.29

Total amount spent = $5.07

But,

1.59 + 0.29 n = 5.07

So that,

0.29 n = 5.07 - 1.59

0.29 n  = 3.48

n = \frac{3.48}{0.29}

  = 12

Therefore, Kamila bought 12 pens.

6 0
3 years ago
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