In a certain fraction, the denominator is 16 greater than the numerator. If the fraction is equivalent to 80 percent, what is the denominator of the fraction?

Answer :

Answer:

Denominator = 80

Step-by-step explanation:

Given:

The denominator is 16 greater than the numerator.

If the fraction is equivalent to 80 percent,

Question asked:

What is the denominator of the fraction ?

Solution:

Let numerator be [tex]x[/tex]

Then the denominator = [tex]x + 16[/tex] (given)

As the fraction is equivalent to 80%,

[tex]\frac{x}{x+16}[/tex] [tex]= 80\%[/tex]

[tex]\frac{x}{x+16} = \frac{80}{100} \\[/tex]

By cross multiplication,

[tex]100\times x = 80(x+16)\\100x = 80x + 1280\\[/tex]

By subtracting both side by [tex]80x[/tex]

[tex]100x - 80 x = 1280\\20x = 1280[/tex]

By dividing both side by 20

[tex]x = 64[/tex]

Thus, numerator = [tex]x[/tex] = 64

Then the denominator = [tex]x + 16[/tex]

                                     = 64 + 16 =80

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