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OpenStudy (anonymous):

wich proportion has the solution of 18. a.10 over 15= n over 12 b.10 over 15=12 over n c.10 over n= 12 over 15 d.10 over 12=n over 15

OpenStudy (anonymous):

b. 10 over 15 = 12 over n = 10xn = 15x12 = 10n=180. divide both sides by 10. n=18

OpenStudy (anonymous):

b. 2/3 = 2/3

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