Question
If (2a + b)/(3b - 2b) = 13/2 then 'b' is what percent of
'a'?Solution
(2a + b)/(3b - 2b) = 13/2Â So, 2 X (2a + b) = 13 X (3a - 2b) Or, 4a + 2b = 39a - 26b Or, 35a = 28b Or, (a/b) = (28/35) = (4/5) Let 'a' = 4k and 'b' = 5k Required percent = (5k/4k) X 100 = 125%
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