If $${b\over a}=0.7$$ find the value of $${a-b\over a+b}={11\over34}.$$
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Q:
If $${b\over a}=0.7$$ find the value of $${a-b\over a+b}={11\over34}.$$
- 10.2false
- 21false
- 30.5true
- 40.3false
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