Question

blank over five minus one fourth equal eleven twentieths

Answer 1

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Let the number be x

$\sf \frac{x}{5} - \frac{1}{4} = \frac{11}{20} \\ \\ \implies \sf \frac{4x - 5}{20} = \frac{11}{20} \\ \\ \implies \sf4x = \frac{11 \times \cancel{20}}{ \cancel{20} \times 5} \\ \\ \implies \sf \: x = \frac{11}{5 \times 4} = \frac{11}{20}$

So x=20, therefore

$\sf\frac{11}{ 20} - \frac{1}{4} = \frac{11}{20}$

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Answer 2

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$\text{As blank over five = \dfrac{x}{5} , one fourth = \dfrac{1}{4} and eleven twentieths = \dfrac{11}{20} . So,} \\ \\ \implies \dfrac{x}{5} - \dfrac{1}{4} = \dfrac{11}{20} \\ \\ LCM\:of\:4\&5=20. \\ \\ \implies \dfrac{4x}{20} - \dfrac{5}{20} = \dfrac{11}{20} \\ \\ \implies \dfrac{4x - 5}{20} = \dfrac{11}{20} \\ \\ \implies 4x - 5 = 11 \\ \\ \implies 4x = 16 \\ \\ \implies x = 4.$

HOPE IT HELPS!!!!