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

Mathematics

2 answers:

sveticcg [70]3 years ago

7 0

Answer: $20

Step-by-step explanation:

8 divided by 12 = .67

.67 times 30

777dan777 [17]3 years ago

6 0

$\bf \begin{array}{ccll} \$&bags\\ \cline{1-2} 8&12\\ x&30 \end{array}\implies \cfrac{8}{x}=\cfrac{12}{30}\implies \cfrac{8}{x}=\cfrac{2}{5}\implies 40=2x\implies \cfrac{40}{2}=x\implies 20=x$

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