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2015-02-05T11:30:15+05:30

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A =  \frac{80}{100} B

B =  \frac{100}{80} A

B =  \frac{5}{4} A

B = (1+\frac{1}{4} ) A

Therefore B's income is  \frac{1}{4} ( 25%) times more than that of A's income.
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2015-02-05T11:38:49+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let the income of B is 100 Rs . Then income of A is 80 Rs. As income of A is 20% less than B . So % by which Income of B is more than A is  \frac{B-A}{A} *100% = 25%
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