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Dahasolnce [82]
3 years ago
12

12in speakers for $67 or 6.5 inch speakers for 17.99 dollars which is the best buy ​

Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0

Answer:

6.5 inch speakers for 17.99 is the better deal.

Step-by-step explanation:

Divide 17.99 by 6.5 to find the cost per inch for the 6.5 inch speakers, which is approx. 2.8 (rounded to the tenth).

Multiply 2.8 by 12 to get $33.60, which is obviously a better deal, as the 6.5 inch speakers are cheaper. Hope this helps.

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<span>least common multiple (5)
</span>\frac{2y+12}{5} - 3y = 4\to \frac{2y+12}{\diagup\!\!\!\!\!5} - \frac{15y}{\diagup\!\!\!\!\!5} = \frac{20}{\diagup\!\!\!\!\!5}
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\boxed{\boxed{y = - \frac{8}{13} }}\end{array}}\qquad\quad\checkmark


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