Determine whether each ratio or rate is proportional. Explain your reasoning and write the proportion.$3 for 6 cookies; $9 for 18 cookies

Dave Costa asked Oct 3, 2023

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Dave Costa asked Oct 3, 2023

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A proportion is an equality of two ratios. Both given information is showed below.

First relation

$(3\colon3)/(6\colon3)=(1)/(2)$

Second relation

$(9\colon3)/(18\colon3)=(3\colon3)/(6\colon3)=(1)/(2)$

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