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zlopas [31]
2 years ago
14

Zina goes to the store to buy markers. An 8-pack of markers costs $10.99, but it does not have the color that she wants. A 12-pa

ck of markers has the right color, but the price label below is damaged, and she can't read the total price. Zina can see that the 12-pack has the same unit cost as the 8-pack. Write a proportion that Zina can use to determine how much the 12-pack of markers will cost. Use C to represent the cost of the 12-pack of markers.
Mathematics
1 answer:
olga2289 [7]2 years ago
3 0

Using proportions, it is found that the cost of the 12-pack of markers, in dollars, is of:

  • C = \frac{10.99 \times 12}{8} = 16.5

<h3>Proportions:</h3>
  • This question is solved by <em>proportions</em>, using a rule of three.
  • The cost of a 8-pack of markers is of $10.99. What is the cost of a 12-pack?

The <em>rule of three</em> is:

8 pack - $10.99

12-pack - $C

Applying cross multiplication:

8C = 10.99 \times 12

C = \frac{10.99 \times 12}{8} = 16.5

To learn more about proportions, you can take a look at brainly.com/question/24372153

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