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Mathematics 15 Online
OpenStudy (anonymous):

will medal and fan for help

OpenStudy (anonymous):

question?

OpenStudy (anonymous):

Which ratio can be used to form a proporation with the given ratio? 7 to 12 A. 8 to 13 B. 10 to 15 C. 14 to 19 D. 21 to 36

OpenStudy (anonymous):

D

OpenStudy (crashonce):

D because both of the unmbers are three times the original

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

7 to 12 check: multiple factors: 8 to 13 dont share factors 10 and 15 dont share factors 14 (does share factolrs with 7) but not 10 21 and 36 do share factors (as 7 x 3 = 21 and 12 x 3 = 36)

OpenStudy (anonymous):

thanks @BPDlkeme234

OpenStudy (anonymous):

or you can divide all of them and because 7/12 and 21/36 are the same decimal they are eaqual

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