4. if a : b = 2 : 3 and b : c = 6 : 7, then find a : c.
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Answer:
4/7
Step-by-step explanation:
Given,
a:b=2:3 and b : c = 6 : 7 .
Hence,a:b::b:c=2:3::6:7
a:c=2/3*6/7=4/7
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