Question

A’s income is 20% more than that of B’s income. What per cent is B’s income less than that of A?

Answer 1

Answer:

50/3%

Step-by-step explanation:

let income of B = 100

income of A=120

extra income=20

%extra= (20×100)/120 = 50/3%

Answer 2

$let \: the \: income \: of \: b \: = 100\\ \: let \: the \: income \: of \:a = 100 - 20 \\ = 80 \\ more \: income \: by \: b \: from \: a \: = 100 - 80 \\ = 20 \\ percentage \: of \: more \: income \: \\ = \frac{20}{80} \times 100 \\ = 25\%$

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