if a:b=5:7 and b:c=5:4 then a:b:c=?
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Answered by
0
Answer:
if a:b=5:7 and b:c=5:4 then a:b:c= 25:35:20
Answered by
1
Answer:
5:7
Step-by-step explanation:
A:B=5:7
Let A be 5k and B be 7k.
B:C=5:4
Let B be 5x and C be 4x
7k=5x
x=7k/5
A:B:C=5k:5x:4x=5k:4x:7(7k/5)=
25k:25x:20x=25:25:20
Hence A:B:C=15:20:28
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