If A : B = 1 : 2, B : C = 3 : 4 and C : D = 5 : 6, find D : C : B : A. Don't search and copy. Plz...
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Answer:
Your answer is 5:16
Step-by-step explanation:
A:B:C:D=15:30:40:48
A:D=15:16=5:16
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