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2 years ago

Si 60 personas representan el 25% del total de espectadores que fueron a un evento, ¿Cuántas personas representan el 100%?

Mathematics

1 answer:

vichka [17]2 years ago

6 0

Answer:

240 people

Step-by-step explanation:

$\frac{60}{25} =\frac{x}{100}$ (x represents people)

60×100= 6000 , 25 × $x$ = 25 $x$

$\frac{25x}{25x}=x$ $\frac{6000}{25x} = 240$

x=240

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Answer:

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3 years ago

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The denominator of a fraction is 4 more than the numerator if both are decreased by 3 the simplified result is 6/7 find original

Hitman42 [59]

<u>Answer:</u>

The denominator of a fraction is 4 more than the numerator. The original fraction is $\frac{27}{31}$

<u>Solution:</u>

Given that

Denominator of fraction is 4 more than the numerator.

Let’s say numerator of fraction be represented by variable x.

So denominator of a faction as it is four more that numerator will be x + 4

Also given if both decreased by three than simplified result is $\frac{6}{7}$

$=>\frac{(x-3)}{((x+4)-3)}=\frac{6}{7}$

Solving above equation for x

=> 7(x – 3 ) = 6 ( x + 1 )

=> 7x – 21 = 6x + 6

=> 7x – 6x = 6 + 21

=> x = 27

Numerator of fraction = x = 27

Denominator of fraction = x + 4 = 27 + 4 = 31

$\text {required fraction}=\frac{\text {numerator}}{\text {denominator}}$

$= \frac{27}{31}$

Hence the original fraction is $\frac{27}{31}$

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3 years ago