Does1/3 & 7/21 form a proportion

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asked Jul 7, 2016 85.8k views

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Does1/3 & 7/21 form a proportion

Mathematics
high-school

Mike Nishizawa asked

by Mike Nishizawa

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1 Answer

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Because 1 * 21 = 3 * 7 ( 21 = 21 ) , 1/3&7/21 form a proportion.

Lacas answered Jul 13, 2016

by Lacas

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