Discussion
Forty per cent of a number is 56 more than twenty per cent of the same number. The number is:
Answer: A
The difference between 40% and 20% is 20% of the number, so \(0.2x = 56\) and \(x = 280\). Check: 40% of 280 is 112 and 20% is 56, differing by 56. Taking the difference of the percentages first avoids handling both terms separately.
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