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Degger [83]
3 years ago
7

Solve the compound inequality 3x + 4 ≤ 7

Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

x ≤ 1

Step-by-step explanation:

3x+4≤ 7

3x + 4 - 4 ≤ 7 - 4

3x≤3

x ≤ 1

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Answer:

3

Step-by-step explanation:

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Jessica and Josh are selling Entertainment Books to raise money for the art room at their school. One book sells for $15. Jessic
melisa1 [442]
<h2><u>Answer</u><u>:</u><u>-</u></h2>

Jessica sells = 240 books,

Josh sells = 16 books.

<h3>Given:-</h3>

The price of one book is = $15

Jessica sold 15 times more books than Josh.

In total, they have sold 256 books.

<h3>Solution:-</h3>

We can easily find the answer using variables.

Let,

Josh sold a total of x books whereas Jessica sold a total number of 15x books.

together they sold 16x books.

So we can form the equation

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<em>tom \: will \: get \:£166  \\ ben \: will \: get   \: £581\\  solution \\ let \: the \: ratios \: be \: 2x \: and \: 7x \\ 2x + 7x = 747 \\ or \: 9x = 747 \\ or \: x =  \frac{747}{9}  \\ x = £83 \\ replacing \: value \\ 2x \\  = 2 \times 83 \\  = 166 \\ 7x \\  = 7 \times 83 \\  = 581 \\ hope \: it \: helps</em>

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3 years ago
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