Question 1141567
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From the condition,


{{{a/(a+b)}}} = {{{3/7}}}.


Hence,  7a = 3*(a+b),   7a = 3a + 3b,  7a-3a = 3b,  4a = 3b.


It implies that   {{{a/b}}} = {{{3/4}}}.    <U>ANSWER</U>


The answer is option D).
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