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How to convert 9:3:3:1 ratio to 9:7 and 5:7 ratios

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How to convert 9:3:3:1 ratio to 9:7 and 5:7 ratios
posted Jan 10 by Vinod Mishra

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1 Answer

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This is how I see the conversion:
step1 - multiple by 4
step2- divide by half
step3- adjust each portion, and get required ratios:
9:3:3:1 --> 54:18:18:6 --> 27:9:9:3+ 27:9:9:3--> 27:(9+9+3)+ (27-7):(9+9+3+7)--> 27:21+20:28--> 9:7+5:7

answer Feb 13 by Hanifa Mammadov

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