Mathematics: Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Suppose that 15 inches of wire cost 60 cents.

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shelby8385

09.03.2022

$\bf \begin{array}{ccll} inches&cents\\ \cline{1-2} 15&60\\ 12&x \end{array}\implies \cfrac{15}{12}=\cfrac{60}{x}\implies \cfrac{5}{4}=\cfrac{60}{x} \\\\\\ 5x=240\implies x=\cfrac{240}{5}\implies x=48$

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Ответ:

kiah25

15.12.2021

Mathematics

Step-by-step explanation: because i took the test :D

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Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

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