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almond37 [142]
3 years ago
10

If 3 cans of orange juice cost $2.15, what will 9 cans cost?​

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
8 0

Answer: <em>$6.45</em>

Step-by-step explanation:

<em>Take the total cost of 3 cans of orange juice</em>

<em>$2.15</em>

<em>Now multiply $2.15 by 3</em>

<em>$2.15x3</em>

<em>You will get</em>

<em>$6.45</em>

<em />

Shkiper50 [21]3 years ago
8 0

Answer:

3 : $2.15

9 : ? (more)

9/3 × $2.15 = $6.45

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irina1246 [14]

Solution:

Let x represent a number of calling minutes. According to the problem, we want:

11\text{ + 0.11 x = }27\text{ + 0.07 x}

now, putting the similar terms together, we obtain:

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this is equivalent to:

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now, solving for x, we get:

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then, the correct answer for the first question is:

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now, for the second question, we can replace the above value (400 minutes) into the following equation:

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3 0
1 year ago
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Answer:

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pashok25 [27]

Answer:

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