Question

write the proper number in the box 1/2 = 20​

Answer 1

the proper number in the box will be 10

because this is equivalent fractions

1. ×. 10 = 10

2. × 20. = 20

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Answer 2

SOLUTION

TO DETERMINE

The proper number in the box

$\displaystyle \sf{ \frac{1}{2} = \frac{ \boxed{ \: \: }}{20} }$

EVALUATION

Let x be the required number in the box

The we have

$\displaystyle \sf{ \frac{1}{2} = \frac{ x}{20} }$

$\displaystyle \sf{ \implies 2x = 20 }$

$\displaystyle \sf{ \implies x = \frac{20}{2} }$

$\displaystyle \sf{ \implies x = 10}$

FINAL ANSWER

$\displaystyle \sf{ \frac{1}{2} = \frac{ \boxed{ \bf \: 10 \: }}{20} }$

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