The percent of the recipes she made is 53.57%.
Percentage can be described as a fraction out of a number that is expressed as a number out of hundred. The sign used to represent percentage is %.
Percent of recipes made = (number of recipes made / total recipes) x 100
(15 / 28) x 100 = 53.57%
To learn more about percentages, please check: https://brainly.com/question/25764815