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If 1.5 a=0.04 b then $$ {b-a\over b+a}$$.
5Q:
If 1.5 a=0.04 b then $$ {b-a\over b+a}$$.
- 1$$ {77\over 33}$$false
- 2$$ {73\over 77}$$true
- 3$$ {2\over 75}$$false
- 4$$ {75\over 2}$$false
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