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Answer: ratio

(a Rational number is a number that can be written as a ratio of two integers)

Step-by-step explanation:

By definition a Rational number is that number that can be expressed as a fraction:

[tex]\frac{a}{b}[/tex]

Where the numerator "a"  is an integer and the denominator "b" ([tex]b\neq 0[/tex])

Then, in other words, a Rational number is a number that can be written as a ratio of two integers.

Since the denominator "b" can be [tex]1[/tex], we know that every Integer is a Rational number.

Below are some examples of Rational numbers:

  • [tex]6[/tex] is a Rational number, because it can be written as: [tex]\frac{6}{1}[/tex]
  • [tex]2.5[/tex] is a Rational number, because it can be written as: [tex]\frac{5}{2}[/tex]
  • [tex]\sqrt{9}[/tex] is a Rational number, because it can be written as: [tex]3=\frac{3}{1}[/tex]
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