The percentage that chose purple is 33%. Therefore, the number of student that has there favourite colours as red is 469.
Percentage is a number or ratio that can be expressed as a fraction of 100.
The total number of student Abigail surveyed in the school is 700 students. She surveyed them about there favourite colours.
The student chose between red and purple colours.
33% said there favourite colours was purple.
Therefore,
number of student that chose purple = 33 / 100 × 700 = 231 student
The number of student favourite colour that was red = 700 - 231 = 469 students
learn more on percentage here: https://brainly.com/question/21555174
