Q: $${a\over b}={2\over3}$$ and $${b\over c}={4\over5}$$ then the ra – McqOptions

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1.	Q: $${a\over b}={2\over3}$$ and $${b\over c}={4\over5}$$ then the ratio $${a+b}\over {b+c}$$ equal to:
A.	$${20\over27} $$
B.	$${27\over20} $$
C.	$${6\over8} $$
D.	$${8\over6} $$
Answer» B. $${27\over20} $$

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