Question

The sum of two expressions is 240. If their ratio is 1 : 3, then determine the two expressions. What is the percentage of is expression of the 2nd expression ?

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Answer 1

Answer:

$let \: the \: number \: be \: = x \\ x + 3x = 240 \\ 4x = 240 \\ x = \frac{240}{4} \\ x = 60 \\ 3x = 3 \times 60 = 180 \\ \\ \\ \\ \\ \frac{60}{180 } \times 100 = \frac{100}{3} \%$

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