Mia's cafe has regular coffee and decaffeinated coffee. this morning, the cafe served 25 coffees in all, 15 of which were regular. what percentage of the coffees were regular? write your answer using a percent sign (%)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.