alexandriamoore62 alexandriamoore62

03-10-2019
Mathematics

contestada

A store is selling cookies for $8 for 12 bags how much will it cost if you want to buy 30 for your class?

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evelynmckinney17 evelynmckinney17

03-10-2019

Answer: $20

Step-by-step explanation:

8 divided by 12 = .67

.67 times 30

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jdoe0001 jdoe0001

03-10-2019

[tex]\bf \begin{array}{ccll} \${data-answer}amp;bags\\ \cline{1-2} 8&12\\ x&30 \end{array}\implies \cfrac{8}{x}=\cfrac{12}{30}\implies \cfrac{8}{x}=\cfrac{2}{5}\implies 40=2x\implies \cfrac{40}{2}=x\implies 20=x[/tex]

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