Rational expression refers to a fraction in which the numerator and denominator are polynomials. Polynomials are variables. So therefore rational expression is the answer to the term that describes a fraction that has a variable or variables expression in its numerator and it denominator or both.
Answer: the term described a fraction that has a variable or variable expression in its numerator is called the rational number
Explanation:
Rational number is basically the quotient of two integers and the denominator is not zero (remember that you can never divide by zero; if you do the answer always will be infinity)
For 300 more square feet the rent is $150 more. Rent per additional square foot is 150/300 or 0.50. For an additional 400 square feet the rent is an additional 400(0.50) or $200. The rent for 1500 feet squared office is $1325.