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Mathematics, 12.02.2021 14:00, Maelynne8515
Martin can run 1 mile in 7 minutes. What valid proportions can be written from this information? Check all that apply.
1 3
--- = ---
7 21
1 3
--- = ---
21 7
7 21
--- = ---
1 3
1 21
--- = ---
7 3
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Martin can run 1 mile in 7 minutes. What valid proportions can be written from this information? Che...
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