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$${a\over b}={2\over3}$$ and $${b\over c}={4\over5}$$ then the ratio $${a+b}\over {b+c}$$ equal to:
5Q:
$${a\over b}={2\over3}$$ and $${b\over c}={4\over5}$$ then the ratio $${a+b}\over {b+c}$$ equal to:
- 1$${20\over27} $$true
- 2$${27\over20} $$false
- 3$${6\over8} $$false
- 4$${8\over6} $$false
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