20% of a and 40% of b is 230 and 40% of a and 20% of b is 190 then, b is what percentage more or less than a?
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a=250,b =450
a% in total=34.28%
b% in total=64.28%
b is 30% more than a
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sikku61:
but your answer is wrong.The real answer is 80% but I got clue how to solve it
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